Chapter 3 Ecosystems

All living and nonliving things that exist and interact in one place.

• abiotic factor

• adaptation

• ecosystem

• decomposer

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An organism that makes its own food

• consumer

• producer

• carnivore

• ecosystem

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An organism that eats other living things to get energy

• consumer

• decomposer

• population

• food web

An organism that breaks down the remains of dead animals

• decomposer

• food chain

• adaptation

• herbivore

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A living part of an ecosystem, including plants, animals, and fungi

• abiotic factors

• biotic factors

• population

• community

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A nonliving part of an ecosystem, including soil, water, temperature, and climate

• abiotic factors

• ecosystem

• consumer

• adaptation

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All the populations in an ecosystem form a

• decomposer

• population

• community

• adaptation

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All of the members of a single species within an ecosystem are a

• biotic factor

• food web

• food chain

• population

A network of food chains that share come links is a

• food web

• population

• ecosystem

• adaptation

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The path that energy takes as it flows from one organism to another

• community

• food web

• food chain

• ecosystem

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