Matter and Energy in Ecosystems

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Does a food chain start with the sun?

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Yes, a food chain starts with the sun as it provides energy for plants.

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What do scientists call organisms that are not native to an ecosystem and cause harm to native organisms?

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Invasive species.

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What is a decomposer?

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A decomposer is an organism that breaks down dead organisms for energy.

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NGSS.MS-LS2-3

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What is an ecosystem?

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An ecosystem is all of the living and nonliving components that interact in an environment.

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What term describes living things in an ecosystem?

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Biotic.

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What is the role of producers in an ecosystem?

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Producers, like plants, make their own food using sunlight through photosynthesis.

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What are consumers in an ecosystem?

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Consumers are organisms that eat other organisms for energy.

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NGSS.MS-LS2-3

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What is the difference between biotic and abiotic factors?

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Biotic factors are living things, while abiotic factors are nonliving things in an ecosystem.

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What is a food web?

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A food web is a complex network of feeding relationships among various organisms in an ecosystem.

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NGSS.MS-LS2-3

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What is photosynthesis?

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Photosynthesis is the process by which plants use sunlight to convert carbon dioxide and water into glucose and oxygen.

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NGSS.MS-LS1-6

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