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 is the primary source of energy for all living things.

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NGSS.MS-LS2-3

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What is the source of all energy?

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The sun is the source of all energy in ecosystems.

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NGSS.MS-LS1-6

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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 are organisms that are not native to an ecosystem and can harm native species.

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NGSS.MS-LS2-5

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What do the arrows in a food web show?

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The arrows in a food web show the direction of energy flow from one organism to another.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

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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 a food chain?

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A food chain is a linear sequence of organisms where each is eaten by the next in the chain.

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What is a food web?

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A food web is a complex network of interconnected food chains in an ecosystem.

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NGSS.MS-LS2-2

NGSS.MS-LS2-3

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What role do producers play in an ecosystem?

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Producers, like plants, make their own food through photosynthesis and provide energy for consumers.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

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What are consumers?

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Consumers are organisms that eat other organisms for energy.

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What is photosynthesis?

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Photosynthesis is the process by which green plants use sunlight to make food from carbon dioxide and water.

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NGSS.MS-LS1-6