Ecology Review

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What is ecology?

Back

Ecology is the branch of biology that studies the interactions between living organisms and their environment.

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Define ecosystem.

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An ecosystem is a community of living organisms interacting with their physical environment.

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What are biotic factors?

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Biotic factors are the living components of an ecosystem, such as plants, animals, and microorganisms.

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What are abiotic factors?

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Abiotic factors are the non-living physical and chemical components of an ecosystem, such as sunlight, water, and soil.

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NGSS.MS-LS2-4

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What is a food chain?

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A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.

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NGSS.MS-LS2-3

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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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Define producer in an ecosystem.

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Producers are organisms, typically plants, that produce their own food through photosynthesis.

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What is a consumer?

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Consumers are organisms that cannot produce their own food and must eat other organisms for energy.

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What is a decomposer?

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Decomposers are organisms, such as bacteria and fungi, that break down dead organic material, returning nutrients to the soil.

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NGSS.MS-LS2-3

Front

What is biodiversity?

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Biodiversity refers to the variety of life in a particular habitat or ecosystem.

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