Chapter 5: Ecosystems

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What is an ecosystem?

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An ecosystem is a system made up of organisms interacting with one another and their environment.

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What is a population in ecology?

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A population is a group of organisms of the same kind living in an area.

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What is a community in ecology?

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A community is made up of different populations of organisms living together in an area.

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What are abiotic factors?

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Abiotic factors are the non-living parts of an ecosystem, like water, soil, and sunlight.

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What are biotic factors?

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Biotic factors are the living parts of an ecosystem, including plants, animals, and microorganisms.

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What is a habitat?

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A habitat is the natural environment where an organism lives.

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What is a renewable resource?

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A renewable resource is a natural resource that can be replenished, like trees and water.

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What is a nonrenewable resource?

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A nonrenewable resource is a natural resource that cannot be replaced once it is used, like phosphate.

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How do beavers affect their environment?

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Beavers affect their environment by chopping down trees and building dams.

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What type of ecosystem has frozen ground all year?

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The tundra is an ecosystem where the ground beneath the surface is frozen all year.