Energy Flow in Ecosystems

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Energy flow

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Movement of energy through an ecosystem

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Sun

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Primary energy source for ecosystems

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Producers

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Organisms that make their own food (e.g., plants)

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Consumers

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Organisms that eat other organisms for energy

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Herbivores

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Animals that eat plants

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Carnivores

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Animals that eat other animals

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Omnivores

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Animals that eat both plants and animals

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Decomposers

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Organisms that break down dead material

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Food chain

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Linear sequence of who eats whom

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Food web

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Complex network of interconnected food chains