BIOLOGY Ecosytems 2
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What is an ecosystem?
An area's physical features as well as living organisms.
What is a food chain?
A linkage of feeding relationshis of organisms in their environments
What is a food web?
Food chains arranged in trophic levels (levels indicating feeding relationships)
What do carnivores eat?
What do omnivores eat?
plants and animals
What do herbivores eat?
What do decomposers eat?
dead animals and plants
What are consumers?
organisms that eat other organisms (heterotrophs)
What is a producer?
An organism that makes its own food from the sun (autotrophs)
What are some negative impacts that humans have on the environment?
- 1. air pollution (smog, acid rain, greenhouse effect, holes in the ozone layer)
- 2. water pollution
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