Food Chains and Food Web Vocabulary

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Energy

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The Ability to do Work

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Matter

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Has mass and takes up space.

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Living

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The ability to grow, reproduce, respond to stimuli, and maintain a stable internal environment

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Non-living

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Things that do not grow, breathe, move, reproduce, or need food.

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Ecosystem

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A community of living organisms (biotic factors) interacting with each other and their non-living environment (abiotic factors).

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Producer

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A living thing that makes its own food using sunlight.

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Consumer

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An organism that gains energy by feeding on other organisms.

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Decomposers

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Any organism that breaks down decaying material for its energy source.

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Trophic Level

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An organism's position in a food chain or food web, indicating its feeding relationship with other organisms.

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Food Chain

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A series of linked feeding relationships between living things in an ecosystem.