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Pearson Ch. 4
Life Science- Ecosystems
| Question | Answer |
|---|---|
| all the living and the nonliving things in an area and their interactions | ecosystem |
| a place that provides all the things an organism needs to live | habitat |
| a group of organisms of one species that live in an area at the same time | population |
| the group of all populations in an area | community |
| a consumer that hunts and eats another animal | predator |
| any animal that is hunted by others for food | prey |
| organism that makes its own food for energy | producer |
| organism that cannot make its own food | consumer |
| organism that gets its energy by breaking down wastes and dead organisms | decomposer |
| a series of steps by which energy moves from one type of living thing to another | food chain |
| a diagram that combines many food chains into one picture | food web |
| all of the conditions surrounding an organism | environment |
| the struggle among organisms for the same limited resources | competition |
| any substance that damages the environment | pollution |
| an attempt to preserve or protect an environment from harmful changes | conservation |
| all the living organisms in an ecosystem | biotic factors |
| all the nonliving parts in an ecosystem | abiotic factors |
Created by:
Mrs. Mason
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