Food Chains and Food Webs

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What is a food chain?

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A food chain is a linear sequence that shows how energy and nutrients flow from one organism to another in an ecosystem.

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What is a food web?

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A food web is a complex network of interconnected food chains that shows how different organisms are related through feeding relationships.

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What are producers?

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Producers are organisms, like plants, that make their own food through photosynthesis and are the foundation of a food chain.

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What are consumers?

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Consumers are organisms that cannot make their own food and must eat other organisms to obtain energy.

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What are decomposers?

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Decomposers are organisms, like fungi and bacteria, that break down dead organic matter, returning nutrients to the soil.

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What is the role of the sun in a food chain?

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The sun provides the initial energy that fuels the entire food chain, as producers use sunlight to create food.

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What is a primary consumer?

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A primary consumer is an organism that eats producers; they are usually herbivores.

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What is a tertiary consumer?

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A tertiary consumer is an organism that eats secondary consumers; they are often carnivores.

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What is an example of a producer?

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An example of a producer is a plant, such as grass or a tree.

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What is an example of a primary consumer?

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An example of a primary consumer is a rabbit that eats grass.