MS-LS2-3: Definitions, Key Concepts & Examples

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Ecosystem

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Community of living and nonliving things

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Matter Cycling

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Movement of elements like carbon, nitrogen

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Energy Flow

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Transfer of energy through food chain

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Producers

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Organisms that make their own food

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Consumers

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Organisms that eat other organisms

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Decomposers

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Break down dead material

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Photosynthesis

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Process plants use to make food

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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 food chains

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Trophic Levels

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Different levels in a food chain