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• Which of the embryos below is a human,
chicken, fish, and cat?
Human
Copyright © 2010 Ryan P. Murphy
• RED SLIDE: These are notes that are very
important and should be recorded in your
science journal.
Copyright © 2010 Ryan P. Murphy
-Nice neat notes that are legible and use indentations
when appropriate.
-Example of indent.
-Skip a line between topics
-Don’t skip pages
-Make visuals clear and well drawn.
• RED SLIDE: These are notes that are very
important and should be recorded in your
science journal.
• BLACK SLIDE: Pay attention, follow
directions, complete projects as described
and answer required questions neatly.
Copyright © 2010 Ryan P. Murphy
http://sciencepowerpoint.com/Website Link:
 Evidence of Evolution
 -
 -
 -
 -
Copyright © 2010 Ryan P. Murphy
 The fossil record of changes in plants and
animals over millions of years.
 -
Copyright © 2010 Ryan P. Murphy
 The fossil record of changes in plants and
animals over millions of years.
 From simple to more complicated.
Copyright © 2010 Ryan P. Murphy
• Principle of superposition.
Copyright © 2010 Ryan P. Murphy
• Principle of superposition. The rock layers
on the bottom are older.
Copyright © 2010 Ryan P. Murphy
• Principle of superposition. The rock layers
on the bottom are older. More primitive
creatures are seen in the older rock layers.
Copyright © 2010 Ryan P. Murphy
• Picture of fossilized cyanobacteria. 3.5 billion
years ago.
Copyright © 2010 Ryan P. Murphy
• Many fossils are primitive sea creatures of
the Cambrian period.
Copyright © 2010 Ryan P. Murphy
• This is called a Gypsum Daisy.
Copyright © 2010 Ryan P. Murphy
• You then find your more complicated
marine shelled fossils.
Copyright © 2010 Ryan P. Murphy
• Oldest fossilized brain: From a fish 300
million years ago.
Copyright © 2010 Ryan P. Murphy
• Earliest fishes: Still millions and millions of
years ago.
Copyright © 2010 Ryan P. Murphy
• Carbon and Radioactive isotope dating is an
extremely accurate method.
Copyright © 2010 Ryan P. Murphy
• Carbon and Radioactive isotope dating is an
extremely accurate method.
– Dating to millions / billions of years ago.
Copyright © 2010 Ryan P. Murphy
• Carbon and Radioactive isotope dating is an
extremely accurate method.
– Dating to millions / billions of years ago.
– May be off by 30,000 years.
Copyright © 2010 Ryan P. Murphy
• Carbon and Radioactive isotope dating is an
extremely accurate method.
– Dating to millions / billions of years ago.
– May be off by 30,000 years.
– But when your talking millions that is very close.
Copyright © 2010 Ryan P. Murphy
• Early amphibians.
Copyright © 2010 Ryan P. Murphy
• Early Reptiles.
Copyright © 2010 Ryan P. Murphy
• Early Birds.
Copyright © 2010 Ryan P. Murphy
• Early mammals – Mesozoic, still the time
of the dinosaurs. 85 million years ago.
Copyright © 2010 Ryan P. Murphy
• Earliest Primate fossil: 47 million years ago.
Copyright © 2010 Ryan P. Murphy
• Hominid fossil – 3.2 million years ago.
Copyright © 2010 Ryan P. Murphy
• I could have shown thousands of more slides
of fossil evidence…
Copyright © 2010 Ryan P. Murphy
• I could have shown thousands of more slides
of fossil evidence…
– For time sake we must end.
Copyright © 2010 Ryan P. Murphy
• I could have shown thousands of more slides
of fossil evidence…
– For time sake we must end.
Copyright © 2010 Ryan P. Murphy
Learn more about the fossil
record and evolution at…
http://www.agiweb.org/news/
evolution/examplesofevolution
.html
• You can now complete this question.
• You can now complete this question.
• You can now complete this question.
• You can now complete this question.
• How many neck bones (vertebrae) does a
giraffe and human have?
• How many neck bones (vertebrae) does a
giraffe and human have?
• How many neck bones (vertebrae) does a
giraffe and human have?
• How many neck bones (vertebrae) does a
giraffe and human have?
• How many neck bones (vertebrae) does a
giraffe and human have?
 Evidence of Evolution
 The fossil record of changes in plants and
animals over millions of years.
 From simple to more complicated.
 -
 -
 -
Copyright © 2010 Ryan P. Murphy
Next notes
 Chemical and anatomical similarities of
related life forms.
Copyright © 2010 Ryan P. Murphy
 Chemical and anatomical similarities of
related life forms.
Copyright © 2010 Ryan P. Murphy
 Chemical and anatomical similarities of
related life forms.
Copyright © 2010 Ryan P. Murphy
• Evolution Available Sheet that follows
slideshow for classwork.
• How are these life forms similar in their
structure and composition?
– Each student must pick one, or teacher will
assign.
Copyright © 2010 Ryan P. Murphy
They all have… Some have…
Copyright © 2010 Ryan P. Murphy
They all have… Some have…
Copyright © 2010 Ryan P. Murphy
Eyes, Nose, Ears, Mouth
Warmbloodedness
Heart, Lungs, Organs
Eat Food,
Move
Tetrapods (four limbs)
Walrus has lost limbs.
They all have… Some have…
Copyright © 2010 Ryan P. Murphy
Eyes, Nose, Ears, Mouth
Warmbloodedness
Heart, Lungs, Organs
Eat Food,
Move
Tetrapods (four limbs)
Walrus has lost limbs.
Teeth,
Fur,
Hoofs,
Smell Glands
Eggs
Live Birth
• How are these life forms similar in their
structure and composition?
Copyright © 2010 Ryan P. Murphy
• How are these life forms similar in their
structure and composition?
Copyright © 2010 Ryan P. Murphy
• How are these life forms similar in their
structure and composition?
Copyright © 2010 Ryan P. Murphy
• How are these life forms similar in their
structure and composition?
Copyright © 2010 Ryan P. Murphy
• How are these life forms similar in their
structure and composition?
Copyright © 2010 Ryan P. Murphy
• How are these life forms similar in their
structure and composition?
Copyright © 2010 Ryan P. Murphy
• How are these life forms similar in their
structure and composition?
Copyright © 2010 Ryan P. Murphy
• How are these life forms similar in their
structure and composition?
Copyright © 2010 Ryan P. Murphy
• Modern day animals share similar
characteristics.
Copyright © 2010 Ryan P. Murphy
• Modern day animals share similar
characteristics.
– Here, the arm bones of the earliest amphibian
are similar in modern species.
Copyright © 2010 Ryan P. Murphy
• Modern day animals share similar
characteristics.
– Here, the arm bones of the earliest amphibian
are similar in modern species.
– Size and shape changes over time.
Copyright © 2010 Ryan P. Murphy
• Which hand is a chimpanzee’s and which is a
humans?
Copyright © 2010 Ryan P. Murphy
• Which hand is a chimpanzee’s and which is a
humans?
Copyright © 2010 Ryan P. Murphy
• Which hand is a chimpanzee’s and which is a
humans?
Copyright © 2010 Ryan P. Murphy
• Which hand is a chimpanzee’s and which is a
humans?
Copyright © 2010 Ryan P. Murphy
• Which hand is a chimpanzee’s and which is a
humans?
Copyright © 2010 Ryan P. Murphy
• Which of the following is a blastula (early embryo) of
a sea urchin, starfish, frog, and human
Copyright © 2010 Ryan P. Murphy
• Which of the following is a blastula (early embryo) of
a sea urchin, starfish, frog, and human
Copyright © 2010 Ryan P. Murphy
• Which of the following is a blastula (early embryo) of
a sea urchin, starfish, frog, and human
Copyright © 2010 Ryan P. Murphy
• Which of the following is a blastula (early embryo) of
a sea urchin, starfish, frog, and human
Copyright © 2010 Ryan P. Murphy
• Which of the following is a blastula (early embryo) of
a sea urchin, starfish, frog, and human
Copyright © 2010 Ryan P. Murphy
• Which of the following is a blastula (early embryo) of
a sea urchin, starfish, frog, and human
Copyright © 2010 Ryan P. Murphy
• Which of the following is a blastula (early embryo) of
a sea urchin, starfish, frog, and human
Copyright © 2010 Ryan P. Murphy
• Which of the following is a blastula (early embryo) of
a sea urchin, starfish, frog, and human
Copyright © 2010 Ryan P. Murphy
• Which of the following is a blastula (early embryo) of
a sea urchin, starfish, frog, and human
Copyright © 2010 Ryan P. Murphy
• Which of the embryos below is a
human, chicken, fish, and cat?
Human
Copyright © 2010 Ryan P. Murphy
• Which of the embryos below is a human,
chicken, fish, and cat?
Human
Copyright © 2010 Ryan P. Murphy
• Which of the embryos below is a
human, chicken, fish, and cat?
Human
Copyright © 2010 Ryan P. Murphy
• Which of the embryos below is a human,
chicken, fish, and cat?
Human
Copyright © 2010 Ryan P. Murphy
• Which of the embryos below is a human,
chicken, fish, and cat?
Human
Copyright © 2010 Ryan P. Murphy
• Which of the embryos below is a human,
chicken, fish, and cat?
Human
Copyright © 2010 Ryan P. Murphy
• Which of the embryos below is a human,
chicken, fish, and cat?
Human
Copyright © 2010 Ryan P. Murphy
• Which of the embryos below is a human,
chicken, fish, and cat?
Human
Copyright © 2010 Ryan P. Murphy
• Which are human, frog, and fish cells?
– Cells are the building blocks of living things.
Copyright © 2010 Ryan P. Murphy
• Which are human, frog, and fish cells?
– Cells are the building blocks of living things.
Copyright © 2010 Ryan P. Murphy
• Which are human, frog, and fish cells?
– Cells are the building blocks of living things.
Copyright © 2010 Ryan P. Murphy
• Which are human, frog, and fish cells?
– Cells are the building blocks of living things.
Copyright © 2010 Ryan P. Murphy
• Which are human, frog, and fish cells?
– Cells are the building blocks of living things.
Copyright © 2010 Ryan P. Murphy
• Which are human, frog, and fish cells?
– Cells are the building blocks of living things.
Copyright © 2010 Ryan P. Murphy
• Which are human, frog, and fish cells?
– Cells are the building blocks of living things.
Copyright © 2010 Ryan P. Murphy
• Which are human, frog, and fish cells?
– Cells are the building blocks of living things.
Copyright © 2010 Ryan P. Murphy
• The cells of a worm, or a jellyfish, or a grizzly
bear are made of organelles that are similar
in their composition and how they work.
Copyright © 2010 Ryan P. Murphy
• Cells are either prokaryotic (bacteria)
Copyright © 2010 Ryan P. Murphy
• Cells are either prokaryotic (bacteria)
Copyright © 2010 Ryan P. Murphy
• Cells are either prokaryotic (bacteria) or
eukaryotic (cells with a nucleus).
Copyright © 2010 Ryan P. Murphy
• Cells are either prokaryotic (bacteria) or
eukaryotic (cells with a nucleus).
Copyright © 2010 Ryan P. Murphy
• Cells are either prokaryotic (bacteria) or
eukaryotic (cells with a nucleus).
– All cells are similar in their composition.
Copyright © 2010 Ryan P. Murphy
• Why would a modern whale have vestigial
leg bones?
Copyright © 2010 Ryan P. Murphy
• Why would a modern whale have vestigial
leg bones?
Copyright © 2010 Ryan P. Murphy
Millions
of Years
Ago
Present
Millions
of Years
Ago
Present
Millions
of Years
Ago
Present
Millions
of Years
Ago
Present
Millions
of Years
Ago
Present
Millions
of Years
Ago
Present
Millions
of Years
Ago
Present
Millions
of Years
Ago
Present
Millions
of Years
Ago
Present
• Answer: It use to be a species with legs
before moving to the water.
Copyright © 2010 Ryan P. Murphy
• Video Link! (Optional) Hank explains vestigial
structures.
– Preview for language.
– http://www.youtube.com/watch?v=OAfw3akpRe8
– Note location of where the fossil was found. Amphibians
don’t inhabit this colder area (Evidence of continental drift).
Copyright © 2010 Ryan P. Murphy
• Picture of fossil and recreation of an early amphibian.
– Note location of where the fossil was found. Amphibians
don’t inhabit this colder area (Evidence of continental drift).
Copyright © 2010 Ryan P. Murphy
• Picture of fossil and recreation of an early amphibian.
– Note location of where the fossil was found. Amphibians
don’t inhabit this colder area (Evidence of continental drift).
Copyright © 2010 Ryan P. Murphy
• The Coelacanth.
• The Coelacanth.
– Believed to have gone extinct with dinosaurs.
• The Coelacanth.
– Believed to have gone extinct with dinosaurs.
– Rediscovered (living) in 1938 off the coast of
South Africa.
• The lobe-finned fish are thought to be the
start of the terrestrial (land) animals.
• The lobe-finned fish are thought to be the
start of the terrestrial (land) animals.
– Picture of lung fish moving across the mud.
• The lobe-finned fish are thought to be the
start of the terrestrial (land) animals.
– Picture of lung fish moving across the mud.
• The lobe-finned fish are thought to be the
start of the terrestrial (land) animals.
– Picture of lung fish moving across the mud.
• The lobe-finned fish are thought to be the
start of the terrestrial (land) animals.
– Picture of lung fish moving across the mud.
• The lobe-finned fish are thought to be the
start of the terrestrial (land) animals.
– Picture of lung fish moving across the mud.
• The lobe-finned fish are thought to be the
start of the terrestrial (land) animals.
– Picture of lung fish moving across the mud.
• The lobe-finned fish are thought to be the
start of the terrestrial (land) animals.
– Picture of lung fish moving across the mud.
• The lobe-finned fish are thought to be the
start of the terrestrial (land) animals.
– Picture of lung fish moving across the mud.
• The lobe-finned fish are thought to be the
start of the terrestrial (land) animals.
– Picture of lung fish moving across the mud.
“What we call arms
were once legs.”
“We are tetrapods.”
• One theory suggests that land animals
developed when smaller bodies of water
periodically dried up.
• One theory suggests that land animals
developed when smaller bodies of water
periodically dried up.
– Being able to crawl from one pool to the next
aided in survival.
• One theory suggests that land animals
developed when smaller bodies of water
periodically dried up.
– Being able to crawl from one pool to the next
aided in survival.
– This ability was passed on from one
generation to the next.
• Another theory
• Another theory
– Lunged gulping fish could to avoid predation in
the aquatic habitats by climbing into the shallows
and then eventually the land.
Learn more about lobe finned fish and tetrapod evolution at…
http://dinosaurs.about.com/od/otherprehistoriclife/a/tetrapods.htm
• Evolution Available Sheet that follows
slideshow for classwork.
• Which picture below is a tetrapod?
• Which picture below is a tetrapod?
• Which picture below is a tetrapod?
• Which picture below is a tetrapod?
• Which picture below is a tetrapod?
• Which picture below is a tetrapod?
• Which picture below is a tetrapod?
• Which picture below is a tetrapod?
• Which picture below is a tetrapod?
• Which picture below is a tetrapod?
• Which picture below is a tetrapod?
• Which picture below is a tetrapod?
• Which picture below is a tetrapod?
• Which picture below is a tetrapod?
• Which picture below is a tetrapod?
• Which picture below is a tetrapod?
• What type of snake is this?
Copyright © 2010 Ryan P. Murphy
• What type of snake is this?
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
• This is not a snake, it’s a skink.
Copyright © 2010 Ryan P. Murphy
• This is not a snake, it’s a skink.
– An example of intermediate species between
lizards and snakes.
Copyright © 2010 Ryan P. Murphy
• Many Pythons (snakes) have spurs (toenails)
from when they use to have legs.
Copyright © 2010 Ryan P. Murphy
• Many Pythons (snakes) have spurs (toenails)
from when they use to have legs.
Copyright © 2010 Ryan P. Murphy
• Many Pythons (snakes) have spurs (toenails)
from when they use to have legs.
Copyright © 2010 Ryan P. Murphy
• This is a human tailbone. This is an example
of a vestigial structure.
Copyright © 2010 Ryan P. Murphy
• This is a human tailbone. This is an example
of a vestigial structure.
– Picture on right is human embryo.
Copyright © 2010 Ryan P. Murphy
• Question to answer in your journal to optional
video on next slide.
– Describe 3 pieces of information about Tetrapod
evolution.
– Include visuals and evidence found and not found.
Copyright © 2010 Ryan P. Murphy
• Video Link (Optional)! Tetrapod Evolution
• Part I http://www.youtube.com/watch?v=k-
5oQlnXSTM&feature=results_main&playnext=1&list=PL05E9C5F10C1EB2B4
• Part II http://www.youtube.com/watch?v=B3iFADplW6U&feature=related
• Part III http://www.youtube.com/watch?v=8HCTFe_XZFQ&feature=related
• Part IV http://www.youtube.com/watch?v=JKRTrC1B1PI&feature=related
• Part V http://www.youtube.com/watch?v=khUw_OGRcBs&feature=related
• You can now complete these questions.
 Evidence of Evolution
 The fossil record of changes in plants and
animals over millions of years.
 From simple to more complicated.
 - Chemical and Anatomical similarities
 -
 -
Copyright © 2010 Ryan P. Murphy
Next notes
 The geographic distribution of related
species.
Copyright © 2010 Ryan P. Murphy
• Alfred Russel Wallace reasoned that the
Indonesian archipelago can be divided into
two distinct parts.
– One in which animals are closely related to those
of Australia.
– And one in which the species are largely of Asian
origin.
• Alfred Russel Wallace reasoned that the
Indonesian archipelago can be divided into
two distinct parts.
– One in which animals are closely related to those
of Australia.
– And one in which the species are largely of Asian
origin.
• Alfred Russel Wallace reasoned that the
Indonesian archipelago can be divided into
two distinct parts.
– One in which animals are closely related to those
of Australia.
– And one in which the species are largely of Asian
origin.
• Alfred Russel Wallace reasoned that the
Indonesian archipelago can be divided into
two distinct parts.
– One in which animals are closely related to those
of Australia.
– And one in which the species are largely of Asian
origin.
• Alfred Russel Wallace reasoned that the
Indonesian archipelago can be divided into
two distinct parts.
– One in which animals are closely related to those
of Australia.
– And one in which the species are largely of Asian
origin.
Learn more about the Wallace Line at…
http://www.radford.edu/~swoodwar/CLASSES/GEOG235/zoogeo
g/walline.html
• These different salamander species are
closely related and live within a close
geographic border of one another.
Copyright © 2010 Ryan P. Murphy
• What is so unique about this salamander?
• What is so unique about this salamander?
• Many species have entered caves where they
have changed form.
Copyright © 2010 Ryan P. Murphy
• Many species have entered caves where they
have changed form.
– If you live in complete darkness, than you don’t need
eyes and rely on other senses such smell, and touch.
Copyright © 2010 Ryan P. Murphy
• This is a cave angel fish.
Copyright © 2010 Ryan P. Murphy
• This is a cave angel fish.
– It has special hooks so that if can hold on to rocks in cave
waterfalls.
Copyright © 2010 Ryan P. Murphy
• This is a cave angel fish.
– It has special hooks so that if can hold on to rocks in cave
waterfalls.
– It also doesn’t have eyes and has lost the colored
pigment in its skin.
Copyright © 2010 Ryan P. Murphy
• Video! Cave Dwellers
– Life evolving in one of the most difficult places on
Earth.
– http://www.youtube.com/watch?v=2ke1agwb00U
– More:
http://www.youtube.com/watch?v=RbZ0T0TlwjE
• The change in species can occur through selective
breeding by humans.
Copyright © 2010 Ryan P. Murphy
• The change in species can occur through selective
breeding by humans.
Copyright © 2010 Ryan P. Murphy
• The change in species can occur through selective
breeding by humans.
Copyright © 2010 Ryan P. Murphy
• The change in species can occur through selective
breeding by humans.
Copyright © 2010 Ryan P. Murphy
• The change in species can occur through selective
breeding by humans.
Copyright © 2010 Ryan P. Murphy
• The change in species can occur through selective
breeding by humans.
Copyright © 2010 Ryan P. Murphy
• The change in species can occur through selective
breeding by humans.
Copyright © 2010 Ryan P. Murphy
• The change in species can occur through selective
breeding by humans.
Copyright © 2010 Ryan P. Murphy
• Does anyone know what this is?
– Hint, It has to do with selective breeding.
Copyright © 2010 Ryan P. Murphy
• This is a device used to collect semen (sperm)
from prize animals for selective breeding.
– People pay big dollars for prize genes.
Copyright © 2010 Ryan P. Murphy
• Selective Breeding: The intentional breeding of
organisms with desirable traits in an attempt to
produce offspring with similar desirable
characteristics or with improved traits.
Copyright © 2010 Ryan P. Murphy
• Corn 6,000 to 10,000 years ago looked much
different than it does today.
Copyright © 2010 Ryan P. Murphy
• Corn 6,000 to 10,000 years ago looked much
different than it does today.
Copyright © 2010 Ryan P. Murphy
• Corn 6,000 to 10,000 years ago looked much
different than it does today.
– By breeding the best corn species of a crop together over
thousands of years, the edible part has become much
larger.
Copyright © 2010 Ryan P. Murphy
 Evidence of Evolution
 The fossil record of changes in plants and
animals over millions of years.
 From simple to more complicated.
 - Chemical and Anatomical similarities
 - The geographic distribution of species
 -
Copyright © 2010 Ryan P. Murphy
Next notes
 Genetics (DNA)
Copyright © 2010 Ryan P. Murphy
• Genetics (DNA) A more recent branch of
science that shows how organisms have
evolved and are related on a genetic level.
Copyright © 2010 Ryan P. Murphy
• Genetics (DNA) A more recent branch of
science that shows how organisms have
evolved and are related on a genetic level.
Copyright © 2010 Ryan P. Murphy
Remember: Evolution is the change in the
gene pool over time
• Genetics (DNA) A more recent branch of
science that shows how organisms have
evolved and are related on a genetic level.
Copyright © 2010 Ryan P. Murphy
Remember: Evolution is the change in the
gene pool over time
• Genetics (DNA) A more recent branch of
science that shows how organisms have
evolved and are related on a genetic level.
Copyright © 2010 Ryan P. Murphy
Remember: Evolution is the change in the
gene pool over time
• Genetics (DNA) A more recent branch of
science that shows how organisms have
evolved and are related on a genetic level.
Copyright © 2010 Ryan P. Murphy
Remember: Evolution is the change in the
gene pool over time
• Genetics (DNA) A more recent branch of
science that shows how organisms have
evolved and are related on a genetic level.
Copyright © 2010 Ryan P. Murphy
Remember: Evolution is the change in the
gene pool over time
• Genetics (DNA) A more recent branch of
science that shows how organisms have
evolved and are related on a genetic level.
Copyright © 2010 Ryan P. Murphy
Remember: Evolution is the change in the
gene pool over time
,
The gene pool is the set of all genes,
or genetic information, in any
population.
 Mutation: When a DNA gene is damaged or
changed in such a way as to alter the genetic
message carried by that gene.
Copyright © 2010 Ryan P. Murphy
• Note: A mutation can be very harmful to an
organism. In some cases however, it may
help an individual survive / evolve over time.
Copyright © 2010 Ryan P. Murphy
• Note: A mutation can be very harmful to an
organism. In some cases however, it may
help an individual survive / evolve over time.
Copyright © 2010 Ryan P. Murphy
• Note: A mutation can be very harmful to an
organism. In some cases however, it may
help an individual survive / evolve over time.
Copyright © 2010 Ryan P. Murphy
• Everyone trace your hand like so in your
journal.
• Everyone trace your hand like so in your
journal.
• Video Link! Five Fingers of Evolution
– Describes genes / genetics a bit.
– http://www.youtube.com/watch?v=5NdMnlt2k
eE
• Evolution is the change in the gene pool
overtime.
– Gene Pools can change when…
– Populations can shrink
• Diseases, extinctions, introduction of new better adapted species,
predators.
– Non-random mating
• Organisms choose strongest mate, ones in similar boundaries,
– Mutations in the genes
• Genes can change. Some are good, some are bad.
• The environment will decide.
– Movement in and out of the population
• Immigration, gene flow.
– Natural selection
• Adaptations to the environment that do well replace poor ones.
Usually an advancement.
• Evolution is the change in the gene pool
overtime.
– Gene Pools can change when…
– Populations can shrink
• Diseases, extinctions, introduction of new better adapted species,
predators.
– Non-random mating
• Organisms choose strongest mate, ones in similar boundaries,
– Mutations in the genes
• Genes can change. Some are good, some are bad.
• The environment will decide.
– Movement in and out of the population
• Immigration, gene flow.
– Natural selection
• Adaptations to the environment that do well replace poor ones.
Usually an advancement.
• Evolution is the change in the gene pool
overtime.
– Gene Pools can change when…
– Populations can shrink
• Diseases, extinctions, introduction of new better adapted species,
predators.
– Non-random mating
• Organisms choose strongest mate, ones in similar boundaries,
– Mutations in the genes
• Genes can change. Some are good, some are bad.
• The environment will decide.
– Movement in and out of the population
• Immigration, gene flow.
– Natural selection
• Adaptations to the environment that do well replace poor ones.
Usually an advancement.
• Evolution is the change in the gene pool
overtime.
– Gene Pools can change when…
– Populations can shrink
• Diseases, extinctions, introduction of new better adapted species,
predators.
– Non-random mating
• Organisms choose strongest mate, ones in similar boundaries,
– Mutations in the genes
• Genes can change. Some are good, some are bad.
• The environment will decide.
– Movement in and out of the population
• Immigration, gene flow.
– Natural selection
• Adaptations to the environment that do well replace poor ones.
Usually an advancement.
• Evolution is the change in the gene pool
overtime.
– Gene Pools can change when…
– Populations can shrink
• Diseases, extinctions, introduction of new better adapted species,
predators.
– Non-random mating
• Organisms choose strongest mate, ones in similar boundaries,
– Mutations in the genes
• Genes can change. Some are good, some are bad.
• The environment will decide.
– Movement in and out of the population
• Immigration, gene flow.
– Natural selection
• Adaptations to the environment that do well replace poor ones.
Usually an advancement.
• Evolution is the change in the gene pool
overtime.
– Gene Pools can change when…
– Populations can shrink
• Diseases, extinctions, introduction of new better adapted species,
predators.
– Non-random mating
• Organisms choose strongest mate, ones in similar boundaries,
– Mutations in the genes
• Genes can change. Some are good, some are bad.
• The environment will decide.
– Movement in and out of the population
• Immigration, gene flow.
– Natural selection
• Adaptations to the environment that do well replace poor ones.
Usually an advancement.
• Evolution is the change in the gene pool
overtime.
– Gene Pools can change when…
– Populations can shrink
• Diseases, extinctions, introduction of new better adapted species,
predators.
– Non-random mating
• Organisms choose strongest mate, ones in similar boundaries,
– Mutations in the genes
• Genes can change. Some are good, some are bad.
• The environment will decide.
– Movement in and out of the population
• Immigration, gene flow.
– Natural selection
• Adaptations to the environment that do well replace poor ones.
Usually an advancement.
• Evolution is the change in the gene pool
overtime.
– Gene Pools can change when…
– Populations can shrink
• Diseases, extinctions, introduction of new better adapted species,
predators.
– Non-random mating
• Organisms choose strongest mate, ones in similar boundaries,
– Mutations in the genes
• Genes can change. Some are good, some are bad.
• The environment will decide.
– Movement in and out of the population
• Immigration, gene flow.
– Natural selection
• Adaptations to the environment that do well replace poor ones.
Usually an advancement.
• Evolution is the change in the gene pool
overtime.
– Gene Pools can change when…
– Populations can shrink
• Diseases, extinctions, introduction of new better adapted species,
predators.
– Non-random mating
• Organisms choose strongest mate, ones in similar boundaries,
– Mutations in the genes
• Genes can change. Some are good, some are bad.
• The environment will decide.
– Movement in and out of the population
• Immigration, gene flow.
– Natural selection
• Adaptations to the environment that do well replace poor ones.
Usually an advancement.
• Evolution is the change in the gene pool
overtime.
– Gene Pools can change when…
– Populations can shrink
• Diseases, extinctions, introduction of new better adapted species,
predators.
– Non-random mating
• Organisms choose strongest mate, ones in similar boundaries,
– Mutations in the genes
• Genes can change. Some are good, some are bad.
• The environment will decide.
– Movement in and out of the population
• Immigration, gene flow.
– Natural selection
• Adaptations to the environment that do well replace poor ones.
Usually an advancement.
• Evolution is the change in the gene pool
overtime.
– Gene Pools can change when…
– Populations can shrink
• Diseases, extinctions, introduction of new better adapted species,
predators.
– Non-random mating
• Organisms choose strongest mate, ones in similar boundaries,
– Mutations in the genes
• Genes can change. Some are good, some are bad.
• The environment will decide.
– Movement in and out of the population
• Immigration, gene flow.
– Natural selection
• Adaptations to the environment that do well replace poor ones.
Usually an advancement.
• Evolution is the change in the gene pool
overtime.
– Gene Pools can change when…
– Populations can shrink
• Diseases, extinctions, introduction of new better adapted species,
predators.
– Non-random mating
• Organisms choose strongest mate, ones in similar boundaries,
– Mutations in the genes
• Genes can change. Some are good, some are bad.
• The environment will decide.
– Movement in and out of the population
• Immigration, gene flow.
– Natural selection
• Adaptations to the environment that do well replace poor ones.
Usually an advancement.
• Evolution is the change in the gene pool
overtime.
– Gene Pools can change when…
– Populations can shrink
• Diseases, extinctions, introduction of new better adapted species,
predators.
– Non-random mating
• Organisms choose strongest mate, ones in similar boundaries,
– Mutations in the genes
• Genes can change. Some are good, some are bad.
• The environment will decide.
– Movement in and out of the population
• Immigration, gene flow.
– Natural selection
• Adaptations to the environment that do well replace poor ones.
Usually an advancement.
• Evolution is the change in the gene pool
overtime.
– Gene Pools can change when…
– Populations can shrink
• Diseases, extinctions, introduction of new better adapted species,
predators.
– Non-random mating
• Organisms choose strongest mate, ones in similar boundaries,
– Mutations in the genes
• Genes can change. Some are good, some are bad.
• The environment will decide.
– Movement in and out of the population
• Immigration, gene flow.
– Natural selection
• Adaptations to the environment that do well replace poor ones.
Usually an advancement.
• Scientist look at the genes in a DNA molecule
(It is in all of our cells).
Copyright © 2010 Ryan P. Murphy
• Scientist look at the genes in a DNA molecule
(It is in all of our cells).
– DNA provides a unique marker.
Copyright © 2010 Ryan P. Murphy
• Scientist look at the genes in a DNA molecule
(It is in all of our cells).
– DNA provides a unique marker.
– It shows how similar and how different species are.
Copyright © 2010 Ryan P. Murphy
• Scientist look at the genes in a DNA molecule
(It is in all of our cells).
– DNA provides a unique marker.
– It shows how similar and how different species are.
Copyright © 2010 Ryan P. Murphy
• Scientist look at the genes in a DNA molecule
(It is in all of our cells).
– DNA provides a unique marker.
– It shows how similar and how different species are.
Copyright © 2010 Ryan P. Murphy
• How does society use the information learned
from studying DNA.
– DNA is used to convict criminal in a court of law.
– DNA is used to determine genetic diseases and
disorders.
– DNA is used to determine paternity – Whose the
father or mother of a child?
– DNA is also used as a tool to see how species
are connected, and how they have changed.
Copyright © 2010 Ryan P. Murphy
• How does society use the information learned
from studying DNA.
– DNA is used to convict criminal in a court of law.
– DNA is used to determine genetic diseases and
disorders.
– DNA is used to determine paternity – Whose the
father or mother of a child?
– DNA is also used as a tool to see how species
are connected, and how they have changed.
Copyright © 2010 Ryan P. Murphy
• DNA provides insight into how similar and
how different organisms are.
Copyright © 2010 Ryan P. Murphy
• DNA provides insight into how similar and
how different organisms are. This allows
taxonomist to classify organisms more
accurately.
Copyright © 2010 Ryan P. Murphy
• DNA provides insight into how similar and
how different organisms are. This allows
taxonomist to classify organisms more
accurately.
Copyright © 2010 Ryan P. Murphy
• Humans and Chimpanzee share 94% of
the same genes.
Copyright © 2010 Ryan P. Murphy
• Humans and Chimpanzee share 94% of
the same genes.
Copyright © 2010 Ryan P. Murphy
• Humans and Chimpanzee share 94% of
the same genes.
Copyright © 2010 Ryan P. Murphy
• Humans and Chimpanzee share 94% of
the same genes.
– We can get a blood transfusion from a chimp.
Copyright © 2010 Ryan P. Murphy
• You can now complete this questions.
• Modern Importance of evolution.
– Evolution is the change in species over long
periods of time.
– Today, the environment is changing at an
alarming rate.
– Can organisms evolve to this rapid environmental
change? Is it occurring too fast? Will they
change or will they be wiped out.
Copyright © 2010 Ryan P. Murphy
• Modern Importance of evolution.
– Evolution is the change in species over long
periods of time.
– Today, the environment is changing at an
alarming rate.
– Can organisms evolve to this rapid environmental
change? Is it occurring too fast? Will they
change or will they be wiped out.
Copyright © 2010 Ryan P. Murphy
• Modern Importance of evolution.
– Evolution is the change in species over long
periods of time.
– Today, the environment is changing at an
alarming rate.
– Can organisms evolve to this rapid environmental
change? Is it occurring too fast? Will they
change or will they be wiped out.
Copyright © 2010 Ryan P. Murphy
• Modern Importance of evolution.
– Evolution is the change in species over long
periods of time.
– Today, the environment is changing at an
alarming rate.
– Can organisms evolve to this rapid environmental
change? Is it occurring too fast? Will they
change or will they be wiped out.
Copyright © 2010 Ryan P. Murphy
• Activity Reading! Charles Darwin
– Found in activities folder.
– Please read the difficult passage about
Charles Darwin and record well written
responses to the questions in your journal.
• Video Link! Darwin Biography
– https://www.youtube.com/watch?v=xOl0tHVV6Ck
• You can now complete page one of the
bundled homework.
 The four parts to Darwin’s theories.
 -
 -
 -
 -
Copyright © 2010 Ryan P. Murphy
 Organisms have changed over time.
Copyright © 2010 Ryan P. Murphy
• Part I
Copyright © 2010 Ryan P. Murphy
• Part I
– Organisms have changed over time, and the ones
living today are different from those that lived in
the past.
Copyright © 2010 Ryan P. Murphy
• Part I
– Organisms have changed over time, and the ones
living today are different from those that lived in
the past.
– Furthermore, many organisms that once lived are
now extinct. The world is not constant, but
changing.
Copyright © 2010 Ryan P. Murphy
• Part I
– Organisms have changed over time, and the ones
living today are different from those that lived in
the past.
– Furthermore, many organisms that once lived are
now extinct. The world is not constant, but
changing. The fossil record provides ample
evidence for this view.
Copyright © 2010 Ryan P. Murphy
• Student speaker on the next slide.
– Each line will be color coded and unfold one at a time.
– Populations split into different species, which are related
because they are descended from a common ancestor.
– Thus, if one goes far enough back in time, any pair of
organisms has a common ancestor.
– This explained the similarities of organisms that were
classified together -- they were similar because of shared
traits inherited from their common ancestor.
– It also explained why similar species tended to occur in
the same geographic region.
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
• All organisms are derived from common ancestors
by a process of branching over time…
– Populations split into different species, which are related
because they are descended from a common ancestor.
– Thus, if one goes far enough back in time, any pair of
organisms has a common ancestor.
– This explained the similarities of organisms that were
classified together -- they were similar because of shared
traits inherited from their common ancestor.
– It also explained why similar species tended to occur in
the same geographic region.
Copyright © 2010 Ryan P. Murphy
• All organisms are derived from common ancestors
by a process of branching over time…
– Populations split into different species, which are related
because they are descended from a common ancestor.
– Thus, if one goes far enough back in time, any pair of
organisms has a common ancestor.
– This explained the similarities of organisms that were
classified together -- they were similar because of shared
traits inherited from their common ancestor.
– It also explained why similar species tended to occur in
the same geographic region.
Copyright © 2010 Ryan P. Murphy
• All organisms are derived from common ancestors
by a process of branching over time…
– Populations split into different species, which are related
because they are descended from a common ancestor.
– Thus, if one goes far enough back in time, any pair of
organisms has a common ancestor.
– This explained the similarities of organisms that were
classified together -- they were similar because of shared
traits inherited from their common ancestor.
– It also explained why similar species tended to occur in
the same geographic region.
Copyright © 2010 Ryan P. Murphy
• All organisms are derived from common ancestors
by a process of branching over time…
– Populations split into different species, which are related
because they are descended from a common ancestor.
– Thus, if one goes far enough back in time, any pair of
organisms has a common ancestor.
– This explained the similarities of organisms that were
classified together -- they were similar because of shared
traits inherited from their common ancestor.
– It also explained why similar species tended to occur in
the same geographic region.
Copyright © 2010 Ryan P. Murphy
• All organisms are derived from common ancestors
by a process of branching over time…
– Populations split into different species, which are related
because they are descended from a common ancestor.
– Thus, if one goes far enough back in time, any pair of
organisms has a common ancestor.
– This explained the similarities of organisms that were
classified together -- they were similar because of shared
traits inherited from their common ancestor.
– It also explained why similar species tended to occur in
the same geographic region.
Copyright © 2010 Ryan P. Murphy
 Organisms share a common ancestor.
Copyright © 2010 Ryan P. Murphy
 Organisms share a common ancestor.
Copyright © 2010 Ryan P. Murphy
 Organisms share a common ancestor.
Copyright © 2010 Ryan P. Murphy
What happened
here?
That species
went extinct
• Darwin’s Journal
Copyright © 2010 Ryan P. Murphy
• This would be an incorrect according to
evolution.
Copyright © 2010 Ryan P. Murphy
• This would be an incorrect according to
evolution.
Copyright © 2010 Ryan P. Murphy
• Which picture below is the more accurate
description of evolution?
Copyright © 2010 Ryan P. Murphy
• Answer!
Copyright © 2010 Ryan P. Murphy
• We make the assumption that there is just
one tree of life, or just one genesis.
• We make the assumption that there is just
one tree of life, or just one genesis.
– Some scientists have theorized life may have
begun more than once.
• We make the assumption that there is just
one tree of life, or just one genesis.
– Some scientists have theorized life may have
begun more than once.
• Don’t look at humans as just coming from
apes.
Copyright © 2010 Ryan P. Murphy
• Don’t look at humans as just coming from
apes.
– We are one stem on a giant tree of primates that
share a common ancestor.
Copyright © 2010 Ryan P. Murphy
• Don’t look at humans as just coming from
apes.
– We are one stem on a giant tree of primates that
share a common ancestor.
Copyright © 2010 Ryan P. Murphy
• You can now complete these questions.
• Change is gradual and slow, taking place
over a long time.
Copyright © 2010 Ryan P. Murphy
• Change is gradual and slow, taking place
over a long time.
– This was supported by the fossil record, and was
consistent with the fact that no naturalist had
observed the sudden appearance of a new
species.
Copyright © 2010 Ryan P. Murphy
 Change is a slow process over many
generations.
 Punctuated evolution shows us that change
can during some periods speed up.
 Large extinction events are common.
Copyright © 2010 Ryan P. Murphy
 Change is a slow process over many
generations.
 Punctuated evolution shows us that change
can during some periods speed up.
 Large extinction events are common.
Copyright © 2010 Ryan P. Murphy
 Change is a slow process over many
generations.
 Punctuated evolution shows us that change
can during some periods speed up.
 Large extinction events are common.
Copyright © 2010 Ryan P. Murphy
• Video - Evolution of Everything, 13.7 billion years
ago to modern humans in 7 min. Enjoy!
• http://www.youtube.com/watch?v=kbJ_nIFmFsc
Copyright © 2010 Ryan P. Murphy
http://sciencepowerpoint.com/Website Link:
Areas of Focus within the Change Topics Unit:
Evolution History, Scopes Monkey Trials, Darwin, Evolution, Evidences of
Evolution, Four Parts to Darwin’s Theory, Natural Selection, The Mechanisms for
Natural Selection, Divergent Evolution, Convergent Evolution, Diversity of Life
Photo Tour, rWhat does it mean to be living?, Characteristics of Living Things,
Origins of Life (Other Theories), Origins of Life (Science Theory), Needs of Living
Things, Origins of the Universe (Timeline), Miller-Urey Experiment, Amino Acids,
How Water Aided in the Origin of Life, Human Evolution, Hominid Features,
Evidences of Human Evolution, Hominid Skulls Ecological Succession, Primary
Succession, Secondary Succession, Plant Succession, Animal Succession,
Stages of Ecological Succession, Events that Restart Succession.
Full unit can be found at…
http://sciencepowerpoint.com/Evolution_Natural_Selection_Unit.html
• Please visit the links below to learn more
about each of the units in this curriculum
– These units take me about four years to complete
with my students in grades 5-10.
Earth Science Units Extended Tour Link and Curriculum Guide
Geology Topics Unit http://sciencepowerpoint.com/Geology_Unit.html
Astronomy Topics Unit http://sciencepowerpoint.com/Astronomy_Unit.html
Weather and Climate Unit http://sciencepowerpoint.com/Weather_Climate_Unit.html
Soil Science, Weathering, More http://sciencepowerpoint.com/Soil_and_Glaciers_Unit.html
Water Unit http://sciencepowerpoint.com/Water_Molecule_Unit.html
Rivers Unit http://sciencepowerpoint.com/River_and_Water_Quality_Unit.html
Physical Science Units Extended Tour Link and Curriculum Guide
Science Skills Unit http://sciencepowerpoint.com/Science_Introduction_Lab_Safety_Metric_Methods.
html
Motion and Machines Unit http://sciencepowerpoint.com/Newtons_Laws_Motion_Machines_Unit.html
Matter, Energy, Envs. Unit http://sciencepowerpoint.com/Energy_Topics_Unit.html
Atoms and Periodic Table Unit http://sciencepowerpoint.com/Atoms_Periodic_Table_of_Elements_Unit.html
Life Science Units Extended Tour Link and Curriculum Guide
Human Body / Health Topics
http://sciencepowerpoint.com/Human_Body_Systems_and_Health_Topics_Unit.html
DNA and Genetics Unit http://sciencepowerpoint.com/DNA_Genetics_Unit.html
Cell Biology Unit http://sciencepowerpoint.com/Cellular_Biology_Unit.html
Infectious Diseases Unit http://sciencepowerpoint.com/Infectious_Diseases_Unit.html
Taxonomy and Classification Unit http://sciencepowerpoint.com/Taxonomy_Classification_Unit.html
Evolution / Natural Selection Unit http://sciencepowerpoint.com/Evolution_Natural_Selection_Unit.html
Botany Topics Unit http://sciencepowerpoint.com/Plant_Botany_Unit.html
Ecology Feeding Levels Unit http://sciencepowerpoint.com/Ecology_Feeding_Levels_Unit.htm
Ecology Interactions Unit http://sciencepowerpoint.com/Ecology_Interactions_Unit.html
Ecology Abiotic Factors Unit http://sciencepowerpoint.com/Ecology_Abiotic_Factors_Unit.html
• The entire four year curriculum can be found at...
http://sciencepowerpoint.com/ Please feel free to
contact me with any questions you may have.
Thank you for your interest in this curriculum.
Sincerely,
Ryan Murphy M.Ed
www.sciencepowerpoint@gmail.com
http://sciencepowerpoint.com/Website Link:

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Evidences of Evolution, Biology Lesson PowerPoint

  • 1. • Which of the embryos below is a human, chicken, fish, and cat? Human Copyright © 2010 Ryan P. Murphy
  • 2.
  • 3. • RED SLIDE: These are notes that are very important and should be recorded in your science journal. Copyright © 2010 Ryan P. Murphy
  • 4. -Nice neat notes that are legible and use indentations when appropriate. -Example of indent. -Skip a line between topics -Don’t skip pages -Make visuals clear and well drawn.
  • 5. • RED SLIDE: These are notes that are very important and should be recorded in your science journal. • BLACK SLIDE: Pay attention, follow directions, complete projects as described and answer required questions neatly. Copyright © 2010 Ryan P. Murphy
  • 7.  Evidence of Evolution  -  -  -  - Copyright © 2010 Ryan P. Murphy
  • 8.  The fossil record of changes in plants and animals over millions of years.  - Copyright © 2010 Ryan P. Murphy
  • 9.  The fossil record of changes in plants and animals over millions of years.  From simple to more complicated. Copyright © 2010 Ryan P. Murphy
  • 10. • Principle of superposition. Copyright © 2010 Ryan P. Murphy
  • 11. • Principle of superposition. The rock layers on the bottom are older. Copyright © 2010 Ryan P. Murphy
  • 12. • Principle of superposition. The rock layers on the bottom are older. More primitive creatures are seen in the older rock layers. Copyright © 2010 Ryan P. Murphy
  • 13. • Picture of fossilized cyanobacteria. 3.5 billion years ago. Copyright © 2010 Ryan P. Murphy
  • 14. • Many fossils are primitive sea creatures of the Cambrian period. Copyright © 2010 Ryan P. Murphy
  • 15. • This is called a Gypsum Daisy. Copyright © 2010 Ryan P. Murphy
  • 16. • You then find your more complicated marine shelled fossils. Copyright © 2010 Ryan P. Murphy
  • 17. • Oldest fossilized brain: From a fish 300 million years ago. Copyright © 2010 Ryan P. Murphy
  • 18. • Earliest fishes: Still millions and millions of years ago. Copyright © 2010 Ryan P. Murphy
  • 19. • Carbon and Radioactive isotope dating is an extremely accurate method. Copyright © 2010 Ryan P. Murphy
  • 20. • Carbon and Radioactive isotope dating is an extremely accurate method. – Dating to millions / billions of years ago. Copyright © 2010 Ryan P. Murphy
  • 21. • Carbon and Radioactive isotope dating is an extremely accurate method. – Dating to millions / billions of years ago. – May be off by 30,000 years. Copyright © 2010 Ryan P. Murphy
  • 22. • Carbon and Radioactive isotope dating is an extremely accurate method. – Dating to millions / billions of years ago. – May be off by 30,000 years. – But when your talking millions that is very close. Copyright © 2010 Ryan P. Murphy
  • 23. • Early amphibians. Copyright © 2010 Ryan P. Murphy
  • 24. • Early Reptiles. Copyright © 2010 Ryan P. Murphy
  • 25. • Early Birds. Copyright © 2010 Ryan P. Murphy
  • 26. • Early mammals – Mesozoic, still the time of the dinosaurs. 85 million years ago. Copyright © 2010 Ryan P. Murphy
  • 27. • Earliest Primate fossil: 47 million years ago. Copyright © 2010 Ryan P. Murphy
  • 28. • Hominid fossil – 3.2 million years ago. Copyright © 2010 Ryan P. Murphy
  • 29. • I could have shown thousands of more slides of fossil evidence… Copyright © 2010 Ryan P. Murphy
  • 30. • I could have shown thousands of more slides of fossil evidence… – For time sake we must end. Copyright © 2010 Ryan P. Murphy
  • 31. • I could have shown thousands of more slides of fossil evidence… – For time sake we must end. Copyright © 2010 Ryan P. Murphy Learn more about the fossil record and evolution at… http://www.agiweb.org/news/ evolution/examplesofevolution .html
  • 32. • You can now complete this question.
  • 33. • You can now complete this question.
  • 34. • You can now complete this question.
  • 35. • You can now complete this question.
  • 36. • How many neck bones (vertebrae) does a giraffe and human have?
  • 37. • How many neck bones (vertebrae) does a giraffe and human have?
  • 38. • How many neck bones (vertebrae) does a giraffe and human have?
  • 39. • How many neck bones (vertebrae) does a giraffe and human have?
  • 40. • How many neck bones (vertebrae) does a giraffe and human have?
  • 41.  Evidence of Evolution  The fossil record of changes in plants and animals over millions of years.  From simple to more complicated.  -  -  - Copyright © 2010 Ryan P. Murphy Next notes
  • 42.  Chemical and anatomical similarities of related life forms. Copyright © 2010 Ryan P. Murphy
  • 43.  Chemical and anatomical similarities of related life forms. Copyright © 2010 Ryan P. Murphy
  • 44.  Chemical and anatomical similarities of related life forms. Copyright © 2010 Ryan P. Murphy
  • 45. • Evolution Available Sheet that follows slideshow for classwork.
  • 46. • How are these life forms similar in their structure and composition? – Each student must pick one, or teacher will assign. Copyright © 2010 Ryan P. Murphy
  • 47. They all have… Some have… Copyright © 2010 Ryan P. Murphy
  • 48. They all have… Some have… Copyright © 2010 Ryan P. Murphy Eyes, Nose, Ears, Mouth Warmbloodedness Heart, Lungs, Organs Eat Food, Move Tetrapods (four limbs) Walrus has lost limbs.
  • 49. They all have… Some have… Copyright © 2010 Ryan P. Murphy Eyes, Nose, Ears, Mouth Warmbloodedness Heart, Lungs, Organs Eat Food, Move Tetrapods (four limbs) Walrus has lost limbs. Teeth, Fur, Hoofs, Smell Glands Eggs Live Birth
  • 50. • How are these life forms similar in their structure and composition? Copyright © 2010 Ryan P. Murphy
  • 51. • How are these life forms similar in their structure and composition? Copyright © 2010 Ryan P. Murphy
  • 52. • How are these life forms similar in their structure and composition? Copyright © 2010 Ryan P. Murphy
  • 53. • How are these life forms similar in their structure and composition? Copyright © 2010 Ryan P. Murphy
  • 54. • How are these life forms similar in their structure and composition? Copyright © 2010 Ryan P. Murphy
  • 55. • How are these life forms similar in their structure and composition? Copyright © 2010 Ryan P. Murphy
  • 56. • How are these life forms similar in their structure and composition? Copyright © 2010 Ryan P. Murphy
  • 57. • How are these life forms similar in their structure and composition? Copyright © 2010 Ryan P. Murphy
  • 58. • Modern day animals share similar characteristics. Copyright © 2010 Ryan P. Murphy
  • 59. • Modern day animals share similar characteristics. – Here, the arm bones of the earliest amphibian are similar in modern species. Copyright © 2010 Ryan P. Murphy
  • 60. • Modern day animals share similar characteristics. – Here, the arm bones of the earliest amphibian are similar in modern species. – Size and shape changes over time. Copyright © 2010 Ryan P. Murphy
  • 61. • Which hand is a chimpanzee’s and which is a humans? Copyright © 2010 Ryan P. Murphy
  • 62. • Which hand is a chimpanzee’s and which is a humans? Copyright © 2010 Ryan P. Murphy
  • 63. • Which hand is a chimpanzee’s and which is a humans? Copyright © 2010 Ryan P. Murphy
  • 64. • Which hand is a chimpanzee’s and which is a humans? Copyright © 2010 Ryan P. Murphy
  • 65. • Which hand is a chimpanzee’s and which is a humans? Copyright © 2010 Ryan P. Murphy
  • 66. • Which of the following is a blastula (early embryo) of a sea urchin, starfish, frog, and human Copyright © 2010 Ryan P. Murphy
  • 67. • Which of the following is a blastula (early embryo) of a sea urchin, starfish, frog, and human Copyright © 2010 Ryan P. Murphy
  • 68. • Which of the following is a blastula (early embryo) of a sea urchin, starfish, frog, and human Copyright © 2010 Ryan P. Murphy
  • 69. • Which of the following is a blastula (early embryo) of a sea urchin, starfish, frog, and human Copyright © 2010 Ryan P. Murphy
  • 70. • Which of the following is a blastula (early embryo) of a sea urchin, starfish, frog, and human Copyright © 2010 Ryan P. Murphy
  • 71. • Which of the following is a blastula (early embryo) of a sea urchin, starfish, frog, and human Copyright © 2010 Ryan P. Murphy
  • 72. • Which of the following is a blastula (early embryo) of a sea urchin, starfish, frog, and human Copyright © 2010 Ryan P. Murphy
  • 73. • Which of the following is a blastula (early embryo) of a sea urchin, starfish, frog, and human Copyright © 2010 Ryan P. Murphy
  • 74. • Which of the following is a blastula (early embryo) of a sea urchin, starfish, frog, and human Copyright © 2010 Ryan P. Murphy
  • 75. • Which of the embryos below is a human, chicken, fish, and cat? Human Copyright © 2010 Ryan P. Murphy
  • 76. • Which of the embryos below is a human, chicken, fish, and cat? Human Copyright © 2010 Ryan P. Murphy
  • 77. • Which of the embryos below is a human, chicken, fish, and cat? Human Copyright © 2010 Ryan P. Murphy
  • 78. • Which of the embryos below is a human, chicken, fish, and cat? Human Copyright © 2010 Ryan P. Murphy
  • 79. • Which of the embryos below is a human, chicken, fish, and cat? Human Copyright © 2010 Ryan P. Murphy
  • 80. • Which of the embryos below is a human, chicken, fish, and cat? Human Copyright © 2010 Ryan P. Murphy
  • 81. • Which of the embryos below is a human, chicken, fish, and cat? Human Copyright © 2010 Ryan P. Murphy
  • 82. • Which of the embryos below is a human, chicken, fish, and cat? Human Copyright © 2010 Ryan P. Murphy
  • 83. • Which are human, frog, and fish cells? – Cells are the building blocks of living things. Copyright © 2010 Ryan P. Murphy
  • 84. • Which are human, frog, and fish cells? – Cells are the building blocks of living things. Copyright © 2010 Ryan P. Murphy
  • 85. • Which are human, frog, and fish cells? – Cells are the building blocks of living things. Copyright © 2010 Ryan P. Murphy
  • 86. • Which are human, frog, and fish cells? – Cells are the building blocks of living things. Copyright © 2010 Ryan P. Murphy
  • 87. • Which are human, frog, and fish cells? – Cells are the building blocks of living things. Copyright © 2010 Ryan P. Murphy
  • 88. • Which are human, frog, and fish cells? – Cells are the building blocks of living things. Copyright © 2010 Ryan P. Murphy
  • 89. • Which are human, frog, and fish cells? – Cells are the building blocks of living things. Copyright © 2010 Ryan P. Murphy
  • 90. • Which are human, frog, and fish cells? – Cells are the building blocks of living things. Copyright © 2010 Ryan P. Murphy
  • 91. • The cells of a worm, or a jellyfish, or a grizzly bear are made of organelles that are similar in their composition and how they work. Copyright © 2010 Ryan P. Murphy
  • 92. • Cells are either prokaryotic (bacteria) Copyright © 2010 Ryan P. Murphy
  • 93. • Cells are either prokaryotic (bacteria) Copyright © 2010 Ryan P. Murphy
  • 94. • Cells are either prokaryotic (bacteria) or eukaryotic (cells with a nucleus). Copyright © 2010 Ryan P. Murphy
  • 95. • Cells are either prokaryotic (bacteria) or eukaryotic (cells with a nucleus). Copyright © 2010 Ryan P. Murphy
  • 96. • Cells are either prokaryotic (bacteria) or eukaryotic (cells with a nucleus). – All cells are similar in their composition. Copyright © 2010 Ryan P. Murphy
  • 97. • Why would a modern whale have vestigial leg bones? Copyright © 2010 Ryan P. Murphy
  • 98. • Why would a modern whale have vestigial leg bones? Copyright © 2010 Ryan P. Murphy
  • 108. • Answer: It use to be a species with legs before moving to the water. Copyright © 2010 Ryan P. Murphy
  • 109.
  • 110.
  • 111.
  • 112.
  • 113.
  • 114. • Video Link! (Optional) Hank explains vestigial structures. – Preview for language. – http://www.youtube.com/watch?v=OAfw3akpRe8 – Note location of where the fossil was found. Amphibians don’t inhabit this colder area (Evidence of continental drift). Copyright © 2010 Ryan P. Murphy
  • 115. • Picture of fossil and recreation of an early amphibian. – Note location of where the fossil was found. Amphibians don’t inhabit this colder area (Evidence of continental drift). Copyright © 2010 Ryan P. Murphy
  • 116. • Picture of fossil and recreation of an early amphibian. – Note location of where the fossil was found. Amphibians don’t inhabit this colder area (Evidence of continental drift). Copyright © 2010 Ryan P. Murphy
  • 117.
  • 118.
  • 119.
  • 120.
  • 121.
  • 122.
  • 124. • The Coelacanth. – Believed to have gone extinct with dinosaurs.
  • 125. • The Coelacanth. – Believed to have gone extinct with dinosaurs. – Rediscovered (living) in 1938 off the coast of South Africa.
  • 126. • The lobe-finned fish are thought to be the start of the terrestrial (land) animals.
  • 127. • The lobe-finned fish are thought to be the start of the terrestrial (land) animals. – Picture of lung fish moving across the mud.
  • 128. • The lobe-finned fish are thought to be the start of the terrestrial (land) animals. – Picture of lung fish moving across the mud.
  • 129. • The lobe-finned fish are thought to be the start of the terrestrial (land) animals. – Picture of lung fish moving across the mud.
  • 130. • The lobe-finned fish are thought to be the start of the terrestrial (land) animals. – Picture of lung fish moving across the mud.
  • 131. • The lobe-finned fish are thought to be the start of the terrestrial (land) animals. – Picture of lung fish moving across the mud.
  • 132. • The lobe-finned fish are thought to be the start of the terrestrial (land) animals. – Picture of lung fish moving across the mud.
  • 133. • The lobe-finned fish are thought to be the start of the terrestrial (land) animals. – Picture of lung fish moving across the mud.
  • 134. • The lobe-finned fish are thought to be the start of the terrestrial (land) animals. – Picture of lung fish moving across the mud.
  • 135. • The lobe-finned fish are thought to be the start of the terrestrial (land) animals. – Picture of lung fish moving across the mud. “What we call arms were once legs.” “We are tetrapods.”
  • 136. • One theory suggests that land animals developed when smaller bodies of water periodically dried up.
  • 137. • One theory suggests that land animals developed when smaller bodies of water periodically dried up. – Being able to crawl from one pool to the next aided in survival.
  • 138. • One theory suggests that land animals developed when smaller bodies of water periodically dried up. – Being able to crawl from one pool to the next aided in survival. – This ability was passed on from one generation to the next.
  • 140. • Another theory – Lunged gulping fish could to avoid predation in the aquatic habitats by climbing into the shallows and then eventually the land. Learn more about lobe finned fish and tetrapod evolution at… http://dinosaurs.about.com/od/otherprehistoriclife/a/tetrapods.htm
  • 141. • Evolution Available Sheet that follows slideshow for classwork.
  • 142. • Which picture below is a tetrapod?
  • 143. • Which picture below is a tetrapod?
  • 144. • Which picture below is a tetrapod?
  • 145. • Which picture below is a tetrapod?
  • 146. • Which picture below is a tetrapod?
  • 147. • Which picture below is a tetrapod?
  • 148. • Which picture below is a tetrapod?
  • 149. • Which picture below is a tetrapod?
  • 150. • Which picture below is a tetrapod?
  • 151. • Which picture below is a tetrapod?
  • 152. • Which picture below is a tetrapod?
  • 153. • Which picture below is a tetrapod?
  • 154. • Which picture below is a tetrapod?
  • 155. • Which picture below is a tetrapod?
  • 156. • Which picture below is a tetrapod?
  • 157. • Which picture below is a tetrapod?
  • 158. • What type of snake is this? Copyright © 2010 Ryan P. Murphy
  • 159. • What type of snake is this? Copyright © 2010 Ryan P. Murphy
  • 160. Copyright © 2010 Ryan P. Murphy
  • 161. • This is not a snake, it’s a skink. Copyright © 2010 Ryan P. Murphy
  • 162. • This is not a snake, it’s a skink. – An example of intermediate species between lizards and snakes. Copyright © 2010 Ryan P. Murphy
  • 163. • Many Pythons (snakes) have spurs (toenails) from when they use to have legs. Copyright © 2010 Ryan P. Murphy
  • 164. • Many Pythons (snakes) have spurs (toenails) from when they use to have legs. Copyright © 2010 Ryan P. Murphy
  • 165. • Many Pythons (snakes) have spurs (toenails) from when they use to have legs. Copyright © 2010 Ryan P. Murphy
  • 166. • This is a human tailbone. This is an example of a vestigial structure. Copyright © 2010 Ryan P. Murphy
  • 167. • This is a human tailbone. This is an example of a vestigial structure. – Picture on right is human embryo. Copyright © 2010 Ryan P. Murphy
  • 168. • Question to answer in your journal to optional video on next slide. – Describe 3 pieces of information about Tetrapod evolution. – Include visuals and evidence found and not found. Copyright © 2010 Ryan P. Murphy
  • 169. • Video Link (Optional)! Tetrapod Evolution • Part I http://www.youtube.com/watch?v=k- 5oQlnXSTM&feature=results_main&playnext=1&list=PL05E9C5F10C1EB2B4 • Part II http://www.youtube.com/watch?v=B3iFADplW6U&feature=related • Part III http://www.youtube.com/watch?v=8HCTFe_XZFQ&feature=related • Part IV http://www.youtube.com/watch?v=JKRTrC1B1PI&feature=related • Part V http://www.youtube.com/watch?v=khUw_OGRcBs&feature=related
  • 170. • You can now complete these questions.
  • 171.  Evidence of Evolution  The fossil record of changes in plants and animals over millions of years.  From simple to more complicated.  - Chemical and Anatomical similarities  -  - Copyright © 2010 Ryan P. Murphy Next notes
  • 172.  The geographic distribution of related species. Copyright © 2010 Ryan P. Murphy
  • 173.
  • 174.
  • 175.
  • 176. • Alfred Russel Wallace reasoned that the Indonesian archipelago can be divided into two distinct parts. – One in which animals are closely related to those of Australia. – And one in which the species are largely of Asian origin.
  • 177. • Alfred Russel Wallace reasoned that the Indonesian archipelago can be divided into two distinct parts. – One in which animals are closely related to those of Australia. – And one in which the species are largely of Asian origin.
  • 178. • Alfred Russel Wallace reasoned that the Indonesian archipelago can be divided into two distinct parts. – One in which animals are closely related to those of Australia. – And one in which the species are largely of Asian origin.
  • 179. • Alfred Russel Wallace reasoned that the Indonesian archipelago can be divided into two distinct parts. – One in which animals are closely related to those of Australia. – And one in which the species are largely of Asian origin.
  • 180. • Alfred Russel Wallace reasoned that the Indonesian archipelago can be divided into two distinct parts. – One in which animals are closely related to those of Australia. – And one in which the species are largely of Asian origin. Learn more about the Wallace Line at… http://www.radford.edu/~swoodwar/CLASSES/GEOG235/zoogeo g/walline.html
  • 181. • These different salamander species are closely related and live within a close geographic border of one another. Copyright © 2010 Ryan P. Murphy
  • 182.
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  • 188.
  • 189.
  • 190. • What is so unique about this salamander?
  • 191. • What is so unique about this salamander?
  • 192. • Many species have entered caves where they have changed form. Copyright © 2010 Ryan P. Murphy
  • 193. • Many species have entered caves where they have changed form. – If you live in complete darkness, than you don’t need eyes and rely on other senses such smell, and touch. Copyright © 2010 Ryan P. Murphy
  • 194.
  • 195. • This is a cave angel fish. Copyright © 2010 Ryan P. Murphy
  • 196. • This is a cave angel fish. – It has special hooks so that if can hold on to rocks in cave waterfalls. Copyright © 2010 Ryan P. Murphy
  • 197. • This is a cave angel fish. – It has special hooks so that if can hold on to rocks in cave waterfalls. – It also doesn’t have eyes and has lost the colored pigment in its skin. Copyright © 2010 Ryan P. Murphy
  • 198. • Video! Cave Dwellers – Life evolving in one of the most difficult places on Earth. – http://www.youtube.com/watch?v=2ke1agwb00U – More: http://www.youtube.com/watch?v=RbZ0T0TlwjE
  • 199. • The change in species can occur through selective breeding by humans. Copyright © 2010 Ryan P. Murphy
  • 200. • The change in species can occur through selective breeding by humans. Copyright © 2010 Ryan P. Murphy
  • 201. • The change in species can occur through selective breeding by humans. Copyright © 2010 Ryan P. Murphy
  • 202. • The change in species can occur through selective breeding by humans. Copyright © 2010 Ryan P. Murphy
  • 203. • The change in species can occur through selective breeding by humans. Copyright © 2010 Ryan P. Murphy
  • 204. • The change in species can occur through selective breeding by humans. Copyright © 2010 Ryan P. Murphy
  • 205. • The change in species can occur through selective breeding by humans. Copyright © 2010 Ryan P. Murphy
  • 206. • The change in species can occur through selective breeding by humans. Copyright © 2010 Ryan P. Murphy
  • 207. • Does anyone know what this is? – Hint, It has to do with selective breeding. Copyright © 2010 Ryan P. Murphy
  • 208. • This is a device used to collect semen (sperm) from prize animals for selective breeding. – People pay big dollars for prize genes. Copyright © 2010 Ryan P. Murphy
  • 209. • Selective Breeding: The intentional breeding of organisms with desirable traits in an attempt to produce offspring with similar desirable characteristics or with improved traits. Copyright © 2010 Ryan P. Murphy
  • 210. • Corn 6,000 to 10,000 years ago looked much different than it does today. Copyright © 2010 Ryan P. Murphy
  • 211. • Corn 6,000 to 10,000 years ago looked much different than it does today. Copyright © 2010 Ryan P. Murphy
  • 212. • Corn 6,000 to 10,000 years ago looked much different than it does today. – By breeding the best corn species of a crop together over thousands of years, the edible part has become much larger. Copyright © 2010 Ryan P. Murphy
  • 213.  Evidence of Evolution  The fossil record of changes in plants and animals over millions of years.  From simple to more complicated.  - Chemical and Anatomical similarities  - The geographic distribution of species  - Copyright © 2010 Ryan P. Murphy Next notes
  • 214.  Genetics (DNA) Copyright © 2010 Ryan P. Murphy
  • 215. • Genetics (DNA) A more recent branch of science that shows how organisms have evolved and are related on a genetic level. Copyright © 2010 Ryan P. Murphy
  • 216. • Genetics (DNA) A more recent branch of science that shows how organisms have evolved and are related on a genetic level. Copyright © 2010 Ryan P. Murphy Remember: Evolution is the change in the gene pool over time
  • 217. • Genetics (DNA) A more recent branch of science that shows how organisms have evolved and are related on a genetic level. Copyright © 2010 Ryan P. Murphy Remember: Evolution is the change in the gene pool over time
  • 218. • Genetics (DNA) A more recent branch of science that shows how organisms have evolved and are related on a genetic level. Copyright © 2010 Ryan P. Murphy Remember: Evolution is the change in the gene pool over time
  • 219. • Genetics (DNA) A more recent branch of science that shows how organisms have evolved and are related on a genetic level. Copyright © 2010 Ryan P. Murphy Remember: Evolution is the change in the gene pool over time
  • 220. • Genetics (DNA) A more recent branch of science that shows how organisms have evolved and are related on a genetic level. Copyright © 2010 Ryan P. Murphy Remember: Evolution is the change in the gene pool over time
  • 221. • Genetics (DNA) A more recent branch of science that shows how organisms have evolved and are related on a genetic level. Copyright © 2010 Ryan P. Murphy Remember: Evolution is the change in the gene pool over time , The gene pool is the set of all genes, or genetic information, in any population.
  • 222.
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  • 229.
  • 230.  Mutation: When a DNA gene is damaged or changed in such a way as to alter the genetic message carried by that gene. Copyright © 2010 Ryan P. Murphy
  • 231.
  • 232.
  • 233. • Note: A mutation can be very harmful to an organism. In some cases however, it may help an individual survive / evolve over time. Copyright © 2010 Ryan P. Murphy
  • 234. • Note: A mutation can be very harmful to an organism. In some cases however, it may help an individual survive / evolve over time. Copyright © 2010 Ryan P. Murphy
  • 235. • Note: A mutation can be very harmful to an organism. In some cases however, it may help an individual survive / evolve over time. Copyright © 2010 Ryan P. Murphy
  • 236. • Everyone trace your hand like so in your journal.
  • 237. • Everyone trace your hand like so in your journal.
  • 238. • Video Link! Five Fingers of Evolution – Describes genes / genetics a bit. – http://www.youtube.com/watch?v=5NdMnlt2k eE
  • 239. • Evolution is the change in the gene pool overtime. – Gene Pools can change when… – Populations can shrink • Diseases, extinctions, introduction of new better adapted species, predators. – Non-random mating • Organisms choose strongest mate, ones in similar boundaries, – Mutations in the genes • Genes can change. Some are good, some are bad. • The environment will decide. – Movement in and out of the population • Immigration, gene flow. – Natural selection • Adaptations to the environment that do well replace poor ones. Usually an advancement.
  • 240. • Evolution is the change in the gene pool overtime. – Gene Pools can change when… – Populations can shrink • Diseases, extinctions, introduction of new better adapted species, predators. – Non-random mating • Organisms choose strongest mate, ones in similar boundaries, – Mutations in the genes • Genes can change. Some are good, some are bad. • The environment will decide. – Movement in and out of the population • Immigration, gene flow. – Natural selection • Adaptations to the environment that do well replace poor ones. Usually an advancement.
  • 241. • Evolution is the change in the gene pool overtime. – Gene Pools can change when… – Populations can shrink • Diseases, extinctions, introduction of new better adapted species, predators. – Non-random mating • Organisms choose strongest mate, ones in similar boundaries, – Mutations in the genes • Genes can change. Some are good, some are bad. • The environment will decide. – Movement in and out of the population • Immigration, gene flow. – Natural selection • Adaptations to the environment that do well replace poor ones. Usually an advancement.
  • 242.
  • 243. • Evolution is the change in the gene pool overtime. – Gene Pools can change when… – Populations can shrink • Diseases, extinctions, introduction of new better adapted species, predators. – Non-random mating • Organisms choose strongest mate, ones in similar boundaries, – Mutations in the genes • Genes can change. Some are good, some are bad. • The environment will decide. – Movement in and out of the population • Immigration, gene flow. – Natural selection • Adaptations to the environment that do well replace poor ones. Usually an advancement.
  • 244. • Evolution is the change in the gene pool overtime. – Gene Pools can change when… – Populations can shrink • Diseases, extinctions, introduction of new better adapted species, predators. – Non-random mating • Organisms choose strongest mate, ones in similar boundaries, – Mutations in the genes • Genes can change. Some are good, some are bad. • The environment will decide. – Movement in and out of the population • Immigration, gene flow. – Natural selection • Adaptations to the environment that do well replace poor ones. Usually an advancement.
  • 245. • Evolution is the change in the gene pool overtime. – Gene Pools can change when… – Populations can shrink • Diseases, extinctions, introduction of new better adapted species, predators. – Non-random mating • Organisms choose strongest mate, ones in similar boundaries, – Mutations in the genes • Genes can change. Some are good, some are bad. • The environment will decide. – Movement in and out of the population • Immigration, gene flow. – Natural selection • Adaptations to the environment that do well replace poor ones. Usually an advancement.
  • 246.
  • 247. • Evolution is the change in the gene pool overtime. – Gene Pools can change when… – Populations can shrink • Diseases, extinctions, introduction of new better adapted species, predators. – Non-random mating • Organisms choose strongest mate, ones in similar boundaries, – Mutations in the genes • Genes can change. Some are good, some are bad. • The environment will decide. – Movement in and out of the population • Immigration, gene flow. – Natural selection • Adaptations to the environment that do well replace poor ones. Usually an advancement.
  • 248. • Evolution is the change in the gene pool overtime. – Gene Pools can change when… – Populations can shrink • Diseases, extinctions, introduction of new better adapted species, predators. – Non-random mating • Organisms choose strongest mate, ones in similar boundaries, – Mutations in the genes • Genes can change. Some are good, some are bad. • The environment will decide. – Movement in and out of the population • Immigration, gene flow. – Natural selection • Adaptations to the environment that do well replace poor ones. Usually an advancement.
  • 249.
  • 250. • Evolution is the change in the gene pool overtime. – Gene Pools can change when… – Populations can shrink • Diseases, extinctions, introduction of new better adapted species, predators. – Non-random mating • Organisms choose strongest mate, ones in similar boundaries, – Mutations in the genes • Genes can change. Some are good, some are bad. • The environment will decide. – Movement in and out of the population • Immigration, gene flow. – Natural selection • Adaptations to the environment that do well replace poor ones. Usually an advancement.
  • 251. • Evolution is the change in the gene pool overtime. – Gene Pools can change when… – Populations can shrink • Diseases, extinctions, introduction of new better adapted species, predators. – Non-random mating • Organisms choose strongest mate, ones in similar boundaries, – Mutations in the genes • Genes can change. Some are good, some are bad. • The environment will decide. – Movement in and out of the population • Immigration, gene flow. – Natural selection • Adaptations to the environment that do well replace poor ones. Usually an advancement.
  • 252.
  • 253. • Evolution is the change in the gene pool overtime. – Gene Pools can change when… – Populations can shrink • Diseases, extinctions, introduction of new better adapted species, predators. – Non-random mating • Organisms choose strongest mate, ones in similar boundaries, – Mutations in the genes • Genes can change. Some are good, some are bad. • The environment will decide. – Movement in and out of the population • Immigration, gene flow. – Natural selection • Adaptations to the environment that do well replace poor ones. Usually an advancement.
  • 254. • Evolution is the change in the gene pool overtime. – Gene Pools can change when… – Populations can shrink • Diseases, extinctions, introduction of new better adapted species, predators. – Non-random mating • Organisms choose strongest mate, ones in similar boundaries, – Mutations in the genes • Genes can change. Some are good, some are bad. • The environment will decide. – Movement in and out of the population • Immigration, gene flow. – Natural selection • Adaptations to the environment that do well replace poor ones. Usually an advancement.
  • 255.
  • 256. • Evolution is the change in the gene pool overtime. – Gene Pools can change when… – Populations can shrink • Diseases, extinctions, introduction of new better adapted species, predators. – Non-random mating • Organisms choose strongest mate, ones in similar boundaries, – Mutations in the genes • Genes can change. Some are good, some are bad. • The environment will decide. – Movement in and out of the population • Immigration, gene flow. – Natural selection • Adaptations to the environment that do well replace poor ones. Usually an advancement.
  • 257. • Evolution is the change in the gene pool overtime. – Gene Pools can change when… – Populations can shrink • Diseases, extinctions, introduction of new better adapted species, predators. – Non-random mating • Organisms choose strongest mate, ones in similar boundaries, – Mutations in the genes • Genes can change. Some are good, some are bad. • The environment will decide. – Movement in and out of the population • Immigration, gene flow. – Natural selection • Adaptations to the environment that do well replace poor ones. Usually an advancement.
  • 258. • Scientist look at the genes in a DNA molecule (It is in all of our cells). Copyright © 2010 Ryan P. Murphy
  • 259. • Scientist look at the genes in a DNA molecule (It is in all of our cells). – DNA provides a unique marker. Copyright © 2010 Ryan P. Murphy
  • 260. • Scientist look at the genes in a DNA molecule (It is in all of our cells). – DNA provides a unique marker. – It shows how similar and how different species are. Copyright © 2010 Ryan P. Murphy
  • 261. • Scientist look at the genes in a DNA molecule (It is in all of our cells). – DNA provides a unique marker. – It shows how similar and how different species are. Copyright © 2010 Ryan P. Murphy
  • 262. • Scientist look at the genes in a DNA molecule (It is in all of our cells). – DNA provides a unique marker. – It shows how similar and how different species are. Copyright © 2010 Ryan P. Murphy
  • 263. • How does society use the information learned from studying DNA. – DNA is used to convict criminal in a court of law. – DNA is used to determine genetic diseases and disorders. – DNA is used to determine paternity – Whose the father or mother of a child? – DNA is also used as a tool to see how species are connected, and how they have changed. Copyright © 2010 Ryan P. Murphy
  • 264. • How does society use the information learned from studying DNA. – DNA is used to convict criminal in a court of law. – DNA is used to determine genetic diseases and disorders. – DNA is used to determine paternity – Whose the father or mother of a child? – DNA is also used as a tool to see how species are connected, and how they have changed. Copyright © 2010 Ryan P. Murphy
  • 265. • DNA provides insight into how similar and how different organisms are. Copyright © 2010 Ryan P. Murphy
  • 266. • DNA provides insight into how similar and how different organisms are. This allows taxonomist to classify organisms more accurately. Copyright © 2010 Ryan P. Murphy
  • 267. • DNA provides insight into how similar and how different organisms are. This allows taxonomist to classify organisms more accurately. Copyright © 2010 Ryan P. Murphy
  • 268. • Humans and Chimpanzee share 94% of the same genes. Copyright © 2010 Ryan P. Murphy
  • 269. • Humans and Chimpanzee share 94% of the same genes. Copyright © 2010 Ryan P. Murphy
  • 270. • Humans and Chimpanzee share 94% of the same genes. Copyright © 2010 Ryan P. Murphy
  • 271. • Humans and Chimpanzee share 94% of the same genes. – We can get a blood transfusion from a chimp. Copyright © 2010 Ryan P. Murphy
  • 272. • You can now complete this questions.
  • 273. • Modern Importance of evolution. – Evolution is the change in species over long periods of time. – Today, the environment is changing at an alarming rate. – Can organisms evolve to this rapid environmental change? Is it occurring too fast? Will they change or will they be wiped out. Copyright © 2010 Ryan P. Murphy
  • 274. • Modern Importance of evolution. – Evolution is the change in species over long periods of time. – Today, the environment is changing at an alarming rate. – Can organisms evolve to this rapid environmental change? Is it occurring too fast? Will they change or will they be wiped out. Copyright © 2010 Ryan P. Murphy
  • 275. • Modern Importance of evolution. – Evolution is the change in species over long periods of time. – Today, the environment is changing at an alarming rate. – Can organisms evolve to this rapid environmental change? Is it occurring too fast? Will they change or will they be wiped out. Copyright © 2010 Ryan P. Murphy
  • 276. • Modern Importance of evolution. – Evolution is the change in species over long periods of time. – Today, the environment is changing at an alarming rate. – Can organisms evolve to this rapid environmental change? Is it occurring too fast? Will they change or will they be wiped out. Copyright © 2010 Ryan P. Murphy
  • 277. • Activity Reading! Charles Darwin – Found in activities folder. – Please read the difficult passage about Charles Darwin and record well written responses to the questions in your journal.
  • 278. • Video Link! Darwin Biography – https://www.youtube.com/watch?v=xOl0tHVV6Ck
  • 279. • You can now complete page one of the bundled homework.
  • 280.  The four parts to Darwin’s theories.  -  -  -  - Copyright © 2010 Ryan P. Murphy
  • 281.  Organisms have changed over time. Copyright © 2010 Ryan P. Murphy
  • 282. • Part I Copyright © 2010 Ryan P. Murphy
  • 283. • Part I – Organisms have changed over time, and the ones living today are different from those that lived in the past. Copyright © 2010 Ryan P. Murphy
  • 284. • Part I – Organisms have changed over time, and the ones living today are different from those that lived in the past. – Furthermore, many organisms that once lived are now extinct. The world is not constant, but changing. Copyright © 2010 Ryan P. Murphy
  • 285. • Part I – Organisms have changed over time, and the ones living today are different from those that lived in the past. – Furthermore, many organisms that once lived are now extinct. The world is not constant, but changing. The fossil record provides ample evidence for this view. Copyright © 2010 Ryan P. Murphy
  • 286. • Student speaker on the next slide. – Each line will be color coded and unfold one at a time. – Populations split into different species, which are related because they are descended from a common ancestor. – Thus, if one goes far enough back in time, any pair of organisms has a common ancestor. – This explained the similarities of organisms that were classified together -- they were similar because of shared traits inherited from their common ancestor. – It also explained why similar species tended to occur in the same geographic region. Copyright © 2010 Ryan P. Murphy
  • 287. Copyright © 2010 Ryan P. Murphy
  • 288. • All organisms are derived from common ancestors by a process of branching over time… – Populations split into different species, which are related because they are descended from a common ancestor. – Thus, if one goes far enough back in time, any pair of organisms has a common ancestor. – This explained the similarities of organisms that were classified together -- they were similar because of shared traits inherited from their common ancestor. – It also explained why similar species tended to occur in the same geographic region. Copyright © 2010 Ryan P. Murphy
  • 289. • All organisms are derived from common ancestors by a process of branching over time… – Populations split into different species, which are related because they are descended from a common ancestor. – Thus, if one goes far enough back in time, any pair of organisms has a common ancestor. – This explained the similarities of organisms that were classified together -- they were similar because of shared traits inherited from their common ancestor. – It also explained why similar species tended to occur in the same geographic region. Copyright © 2010 Ryan P. Murphy
  • 290. • All organisms are derived from common ancestors by a process of branching over time… – Populations split into different species, which are related because they are descended from a common ancestor. – Thus, if one goes far enough back in time, any pair of organisms has a common ancestor. – This explained the similarities of organisms that were classified together -- they were similar because of shared traits inherited from their common ancestor. – It also explained why similar species tended to occur in the same geographic region. Copyright © 2010 Ryan P. Murphy
  • 291. • All organisms are derived from common ancestors by a process of branching over time… – Populations split into different species, which are related because they are descended from a common ancestor. – Thus, if one goes far enough back in time, any pair of organisms has a common ancestor. – This explained the similarities of organisms that were classified together -- they were similar because of shared traits inherited from their common ancestor. – It also explained why similar species tended to occur in the same geographic region. Copyright © 2010 Ryan P. Murphy
  • 292. • All organisms are derived from common ancestors by a process of branching over time… – Populations split into different species, which are related because they are descended from a common ancestor. – Thus, if one goes far enough back in time, any pair of organisms has a common ancestor. – This explained the similarities of organisms that were classified together -- they were similar because of shared traits inherited from their common ancestor. – It also explained why similar species tended to occur in the same geographic region. Copyright © 2010 Ryan P. Murphy
  • 293.
  • 294.  Organisms share a common ancestor. Copyright © 2010 Ryan P. Murphy
  • 295.  Organisms share a common ancestor. Copyright © 2010 Ryan P. Murphy
  • 296.  Organisms share a common ancestor. Copyright © 2010 Ryan P. Murphy
  • 297.
  • 300.
  • 301. • Darwin’s Journal Copyright © 2010 Ryan P. Murphy
  • 302. • This would be an incorrect according to evolution. Copyright © 2010 Ryan P. Murphy
  • 303. • This would be an incorrect according to evolution. Copyright © 2010 Ryan P. Murphy
  • 304. • Which picture below is the more accurate description of evolution? Copyright © 2010 Ryan P. Murphy
  • 305. • Answer! Copyright © 2010 Ryan P. Murphy
  • 306. • We make the assumption that there is just one tree of life, or just one genesis.
  • 307. • We make the assumption that there is just one tree of life, or just one genesis. – Some scientists have theorized life may have begun more than once.
  • 308. • We make the assumption that there is just one tree of life, or just one genesis. – Some scientists have theorized life may have begun more than once.
  • 309. • Don’t look at humans as just coming from apes. Copyright © 2010 Ryan P. Murphy
  • 310. • Don’t look at humans as just coming from apes. – We are one stem on a giant tree of primates that share a common ancestor. Copyright © 2010 Ryan P. Murphy
  • 311. • Don’t look at humans as just coming from apes. – We are one stem on a giant tree of primates that share a common ancestor. Copyright © 2010 Ryan P. Murphy
  • 312.
  • 313.
  • 314.
  • 315.
  • 316.
  • 317. • You can now complete these questions.
  • 318. • Change is gradual and slow, taking place over a long time. Copyright © 2010 Ryan P. Murphy
  • 319. • Change is gradual and slow, taking place over a long time. – This was supported by the fossil record, and was consistent with the fact that no naturalist had observed the sudden appearance of a new species. Copyright © 2010 Ryan P. Murphy
  • 320.  Change is a slow process over many generations.  Punctuated evolution shows us that change can during some periods speed up.  Large extinction events are common. Copyright © 2010 Ryan P. Murphy
  • 321.  Change is a slow process over many generations.  Punctuated evolution shows us that change can during some periods speed up.  Large extinction events are common. Copyright © 2010 Ryan P. Murphy
  • 322.  Change is a slow process over many generations.  Punctuated evolution shows us that change can during some periods speed up.  Large extinction events are common. Copyright © 2010 Ryan P. Murphy
  • 323.
  • 324.
  • 325.
  • 326.
  • 327.
  • 328.
  • 329. • Video - Evolution of Everything, 13.7 billion years ago to modern humans in 7 min. Enjoy! • http://www.youtube.com/watch?v=kbJ_nIFmFsc Copyright © 2010 Ryan P. Murphy
  • 331.
  • 332. Areas of Focus within the Change Topics Unit: Evolution History, Scopes Monkey Trials, Darwin, Evolution, Evidences of Evolution, Four Parts to Darwin’s Theory, Natural Selection, The Mechanisms for Natural Selection, Divergent Evolution, Convergent Evolution, Diversity of Life Photo Tour, rWhat does it mean to be living?, Characteristics of Living Things, Origins of Life (Other Theories), Origins of Life (Science Theory), Needs of Living Things, Origins of the Universe (Timeline), Miller-Urey Experiment, Amino Acids, How Water Aided in the Origin of Life, Human Evolution, Hominid Features, Evidences of Human Evolution, Hominid Skulls Ecological Succession, Primary Succession, Secondary Succession, Plant Succession, Animal Succession, Stages of Ecological Succession, Events that Restart Succession. Full unit can be found at… http://sciencepowerpoint.com/Evolution_Natural_Selection_Unit.html
  • 333.
  • 334.
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  • 336.
  • 337.
  • 338. • Please visit the links below to learn more about each of the units in this curriculum – These units take me about four years to complete with my students in grades 5-10. Earth Science Units Extended Tour Link and Curriculum Guide Geology Topics Unit http://sciencepowerpoint.com/Geology_Unit.html Astronomy Topics Unit http://sciencepowerpoint.com/Astronomy_Unit.html Weather and Climate Unit http://sciencepowerpoint.com/Weather_Climate_Unit.html Soil Science, Weathering, More http://sciencepowerpoint.com/Soil_and_Glaciers_Unit.html Water Unit http://sciencepowerpoint.com/Water_Molecule_Unit.html Rivers Unit http://sciencepowerpoint.com/River_and_Water_Quality_Unit.html
  • 339. Physical Science Units Extended Tour Link and Curriculum Guide Science Skills Unit http://sciencepowerpoint.com/Science_Introduction_Lab_Safety_Metric_Methods. html Motion and Machines Unit http://sciencepowerpoint.com/Newtons_Laws_Motion_Machines_Unit.html Matter, Energy, Envs. Unit http://sciencepowerpoint.com/Energy_Topics_Unit.html Atoms and Periodic Table Unit http://sciencepowerpoint.com/Atoms_Periodic_Table_of_Elements_Unit.html Life Science Units Extended Tour Link and Curriculum Guide Human Body / Health Topics http://sciencepowerpoint.com/Human_Body_Systems_and_Health_Topics_Unit.html DNA and Genetics Unit http://sciencepowerpoint.com/DNA_Genetics_Unit.html Cell Biology Unit http://sciencepowerpoint.com/Cellular_Biology_Unit.html Infectious Diseases Unit http://sciencepowerpoint.com/Infectious_Diseases_Unit.html Taxonomy and Classification Unit http://sciencepowerpoint.com/Taxonomy_Classification_Unit.html Evolution / Natural Selection Unit http://sciencepowerpoint.com/Evolution_Natural_Selection_Unit.html Botany Topics Unit http://sciencepowerpoint.com/Plant_Botany_Unit.html Ecology Feeding Levels Unit http://sciencepowerpoint.com/Ecology_Feeding_Levels_Unit.htm Ecology Interactions Unit http://sciencepowerpoint.com/Ecology_Interactions_Unit.html Ecology Abiotic Factors Unit http://sciencepowerpoint.com/Ecology_Abiotic_Factors_Unit.html
  • 340. • The entire four year curriculum can be found at... http://sciencepowerpoint.com/ Please feel free to contact me with any questions you may have. Thank you for your interest in this curriculum. Sincerely, Ryan Murphy M.Ed www.sciencepowerpoint@gmail.com