Ecosystems Topic 1

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Producers

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Living things containing chlorophyll and capable of using sunlight to make its own food from materials taken from the soil and air.

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Consumers

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Living things that eat other living things.

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Carnivores

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Animals that eat ONLY other animals.

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Omnivores

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Animals that eat BOTH plants and animals.

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Herbivores

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Animals that eat ONLY plants.

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Decomposers

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Living things that feed on dead materials, breaking them down and returning the materials to the environment.

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Food Chains

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The arrangement of living things in order in which each uses the next as a source of food.

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Food Web

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A combination of all the food chains in an ecosystem.

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Food Pyramid

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A diagram to show how the amount of food energy available changes at each step of the food chain.

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Sun

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Where ENERGY FLOW begins.