Food Webs

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food chain

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the movement of food energy, or chemical energy, from one organism to another

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food web

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a group of overlapping or connected food chains

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predator

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An animal that hunts other animals for food

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prey

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An organism that is killed and eaten by another organism

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apex predator

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the top predator in an ecosystem

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producer

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most green plants that get their energy directly from the Sun and convert that energy into chemical energy (food energy) through the process of photosynthesis

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consumer

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an organism that consumes, or eats, other organisms for energy; it cannot get energy directly from the Sun

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primary consumers

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first in a food chain; herbivores that only eat plants

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secondary consumers

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second in a food chain; omnivores or carnivores that eat only herbivores

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tertiary consumers

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third in a food chain; carnivores that eat other carnivores