Ecosystems: Levels of Organization

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What is an ecosystem?

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An ecosystem is a community of living organisms interacting with their environment, including both biotic (living) and abiotic (non-living) components.

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What is a population?

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A population is a group of the same species living in a specific area at the same time.

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What is a community?

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A community is made up of different populations of various species that live and interact in the same area.

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What is a biome?

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A biome is a large area characterized by specific climate conditions and types of organisms, consisting of multiple ecosystems.

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NGSS.MS-LS2-2

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What is the difference between a habitat and an ecosystem?

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A habitat is the specific environment where an organism lives, while an ecosystem includes all living and non-living things in a particular area.

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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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NGSS.MS-LS2-2

NGSS.MS-LS2-4

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What are abiotic factors?

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

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What is a food chain?

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A food chain is a linear 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 is a food web?

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A food web is a complex network of interconnected food chains in an ecosystem, showing how different organisms are related through feeding relationships.

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NGSS.MS-LS2-2

NGSS.MS-LS2-3

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What is biodiversity?

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Biodiversity refers to the variety of living organisms in a particular ecosystem, including the diversity of species, genetic variations, and ecosystems.

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NGSS.MS-LS2-5