Food Chains and Food Webs

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What is a Heterotroph?

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An organism that must use other organisms for food, such as animals.

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What is an Abiotic Factor?

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A non-living part of an ecosystem, such as soil, water, and sunlight.

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What is a Producer?

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An organism that uses sunlight to make its own food, like plants.

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What happens if a key species is removed from a food web?

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It can cause a decrease in populations of other species that rely on it for food.

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What is a Tertiary Consumer?

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An organism that is at the top of the food chain and eats secondary consumers.

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What is a Food Chain?

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A linear sequence showing how energy and nutrients flow from one organism to another.

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What is a Food Web?

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A complex network of interconnected food chains in an ecosystem.

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What is a Primary Consumer?

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An organism that eats producers, such as herbivores.

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What is a Secondary Consumer?

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An organism that eats primary consumers, such as carnivores.

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What is a Carnivore?

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An organism that primarily eats other animals.