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Abiotic and biotic factors ppt
- 1. Biotic and AbioticBiotic and Abiotic factors in thefactors in the EcosystemEcosystem
- 2. • Level of organization is used to show how organisms interact with each other & their environment
- 4. • Abiotic factors = non-living components that affect living organisms • Ex. Temperature, sunlight, rocks • Biotic Factors = all living things or their materials that directly or indirectly affect organisms in its environment (includes interactions) • Ex. Plants, animals, fungi, bacteria
- 5. • A(n) ___________ factor is a living (or once living) component of an ecosystem. • A(n) ___________ factor is a non-living component of an ecosystem. biotic abiotic
- 6. • An ecosystem is the interaction between __________ and __________ factors abiotic biotic
- 13. • Do these abiotic factors affect the biotic parts of an ecosystem? How?
- 14. If there is no water…can anything grow or survive? No! If it is extremely cold one winter, will that affect whether an animal makes it? No! So, abiotic and biotic DO affect each other. EvenSo, abiotic and biotic DO affect each other. Even though water and temperature arenthough water and temperature aren’t living things,’t living things, they DO affect living things!they DO affect living things!
- 15. Biotic & Abiotic Influences
- 19. • What abiotic factors are important for a plant to grow?
- 20. • Provides warmth to living organisms • Provides solarenergy (light) for green plants to make their own food • The number of hours of daylight triggers seasonal events, such as: -plants flowering -birds migrating
- 21. • Important forlife processes of all living things (plants and animals) such as: -distributing food particles through their bodies -digesting food • Important fororganisms that live underwater, such as: -trout -whales -algae
- 22. • Provides oxygen (O2), which animals breathe • Provides carbon dioxide (CO2) for plants to use to make their own food
- 23. • Provides a home for many animals that live underground -earthworms • Provides nutrients for plants • Plants grow in soil
- 24. Organize the following words into TWO lists, BioticBiotic and Abiotic Factors: Clouds Sunlight Sand Ph of soil Air Wind Soil Rain Mud Rocks Ice Oxygen Minerals Mountain Temperature LakeVolcanoes Moon Gold Fire Weather Climate Tulip Bumblebee Moss Leaf Raccoon Polar Bear A cell Deer Maple tree Raspberry bush Goldfish People Eagle Snake Earthworm Corn on the plant Salamander
- 25. Organize the following words into TWO lists, Abiotic and Biotic Factors: Biotic Abiotic Clouds Sunlight Sand Ph of soil Air Wind Soil Rain Mud Rocks Ice Oxygen Minerals Mountain TemperatureLake Volcanoes Moon Gold Fire Weather Climate TulipBumblebee Moss Leaf Raccoon Polar Bear A cell DeerMaple tree Raspberry bush Goldfish People Eagle Snake Earthworm Corn on the plant Salamander
Notas del editor
- For example, if a lake becomes polluted or dries up during a drought, this may harm the fish or insects that live in the lake
- Hand out cue cards and work sheet
- Sun-keeps organisms warm, food for green plants Air-O2, CO2, N2: provides O2 for animals to breathe, CO2 for plants to make their own food Minerals-found in soil Bacteria-found in soil Squirrels: eat conifer cones, seeds, nuts (so could be on trees) Deer: wild flower plants, alfalfa, clover (in the summer)/ acorns (in the winter), also on small trees and bushes (in the spring)
- Plants interact with sunlight and air to make their own food, and they use water and nutrients in the soil to grow Tell students we are going to look at 4 main ones
- Before I show them how sun can affect biotic things, ask the students what they think
- Air is made up primarily of: N2 -78%, O2 - 21%, CO2 -0.03% Photosynthesis: sunlight + water + carbon dioxide food + oxygen
- The disappearance of the ant population from Earth would be a major disaster. Ants turn the soil, eat other insects, are scavengers of dead animals and pollinate plants.