Ecosystems

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What is an ecosystem?

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An ecosystem is all the living and nonliving things that exist and interact in one place.

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What do producers do in an ecosystem?

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Producers, like plants, use sunlight to create their own food through photosynthesis.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

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What is a food chain?

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A food chain is a sequence that shows how energy and nutrients flow from one organism to another in an ecosystem.

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NGSS.MS-LS2-3

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What role do consumers play in an ecosystem?

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Consumers are organisms that eat other organisms for energy.

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NGSS.MS-LS2-2

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What is pollution?

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Pollution is the introduction of harmful substances into the environment, affecting ecosystems.

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NGSS.MS-LS1-5

NGSS.MS-LS2-4

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What is deforestation?

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Deforestation is the clearing of trees from forests, which can harm ecosystems.

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

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What is overfishing?

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Overfishing is catching too many fish from a body of water, disrupting the ecosystem.

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NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

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What are some human activities that affect ecosystems?

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Factories, pollution, overfishing, and deforestation are human activities that can harm ecosystems.

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NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

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What is the starting point of a food chain?

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The food chain starts with the sun giving energy to producers.

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How do organisms in an ecosystem interact?

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Organisms in an ecosystem interact by working together, competing for resources, and forming food chains.

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NGSS.MS-LS2-2