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What is a trophic level?

Back

One of the hierarchical strata of a food web.

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What is a habitat?

Back

The place where a plant or animal naturally lives or grows.

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What is a biome?

Back

A major type of ecological community.

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What is a niche?

Back

The part a particular living thing plays in an ecological community.

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What defines a community in an ecosystem?

Back

A group of living things that belong to one or more species and interact ecologically.

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What is an ecosystem?

Back

A biological community of interacting organisms and their physical environment.

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What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

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What is a food web?

Back

A complex network of feeding relationships among various organisms in an ecosystem.

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What are producers?

Back

Organisms that produce their own food, typically through photosynthesis, such as plants.

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What are consumers?

Back

Organisms that obtain energy by consuming other organisms.