Biomes and Succession

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What is a biome?

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A biome is a large geographic biotic unit, a major community of plants and animals with similar life forms and environmental conditions.

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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, temperature, water, and soil.

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NGSS.MS-LS2-3

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What is ecological succession?

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Ecological succession is the process by which ecosystems change and develop over time, often following a disturbance.

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NGSS.MS-LS2-4

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What is primary succession?

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Primary succession occurs in lifeless areas where soil has not yet formed, such as after a volcanic eruption.

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What is secondary succession?

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Secondary succession occurs in areas where a disturbance has destroyed an existing ecosystem but soil and some organisms still remain.

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NGSS.MS-LS2-4

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What is biodiversity?

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Biodiversity refers to the variety of life in a particular habitat or ecosystem, including the number of species and genetic diversity.

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NGSS.MS-LS2-5

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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 species are related through feeding relationships.

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NGSS.MS-LS2-2

NGSS.MS-LS2-3

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What is a habitat?

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A habitat is the natural environment in which a species lives, including all biotic and abiotic factors.