Food Chains and Food Webs

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What is a food chain?

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A food chain is a series of organisms each dependent on the next as a source of food.

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What is a primary consumer?

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A primary consumer is an animal that eats plants. In a food chain, it is the second level.

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What is a producer?

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A producer is a living thing that makes its own food, usually plants that use sunlight.

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What is a secondary consumer?

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A secondary consumer is an animal that eats primary consumers. It is the third level in a food chain.

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What is a decomposer?

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A decomposer is an organism that breaks down dead plants and animals, returning nutrients to the soil.

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What is a food web?

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A food web is a complex network of interconnected food chains in an ecosystem.

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Why are food chains important?

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Food chains show how energy and nutrients flow through an ecosystem.

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What happens if a producer is removed from a food chain?

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If a producer is removed, all consumers that depend on it may struggle to survive.

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What is extinction?

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Extinction is when a species no longer exists anywhere on Earth.

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How does energy flow in a food chain?

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Energy flows from producers to primary consumers, then to secondary consumers, and so on.