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Biology Lesson 1.1
1. Lesson 1.1 What’s Important ?
Biology
is the study of living things
comes from the Greek root
bios- which means “life”
and the Greek suffix -logy
which means “the study of”.
2. Biology 1.1 What’s Important ?
Biology
is the study of living things
comes from the Greek root bios- which means “life”
and the Greek suffix -logy which means “the study of”.
•Organism – scientific term for
a living thing.
•Habitat – region where the
organism usually lives.
3. •Organism – scientific term for a living thing.
•Habitat – region where the organism usually lives.
4 Major fields of biology
botany – study of plants
zoology – study of animals
4. 4 Major fields of biology
botany – study of plants
zoology – study of animals
human anatomy and physiology -
study of physical structures and the
functions of the human body.
5. 4 Major fields of biology
botany – study of plants
zoology – study of animals
human anatomy and physiology - study of physical structures and
the functions of the human body.
ecology – the study of
interactions between organisms
and their environment and each
other.
6. ecology – the study of interactions between organisms and their
environment and each other.
Food chain – a sequence of
organisms related to one another
as prey and predator.
7. Food chain – a sequence of organisms related to one another as prey and predator.
Parts of the food chain:
1. producers
• usually a photosynthetic organism
(make own food from sunlight)
•are at the base of the food chain
•All energy comes from them
•usually green - chlorophyll
8. 2.Consumer –derives nutrients
and energy from consuming
other organisms.
Includes:
• herbivores or primary
consumers – they consume
plants
9. 2. Consumers
Includes:
• carnivores or secondary
consumers - they consume
other animals that once
consumed plants.
10. 2. Consumers
Includes
• omnivores
-who can be primary or
secondary consumers
- eat plants or other animals.
11. • Omnivores who can be primary or secondary consumers
- eat plants or other animals.
3. Decomposers - are
organisms that breakdown
dead or decaying
organisms.
Includes:
12. We will begin our course study
of biology in the field of botany.
Reasons for studying botany:
1. many medications are derived from
plants
2. important to industry (lumber,
paper, clothing,acetate, rayon, etc)
3. all food eaten by man comes directly or
indirectly from plants