Ecosystem and Biodiversity Terms

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Biodiversity

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The variety of living things in an area.

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Species Richness

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The number of different species living in a place.

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Species Evenness

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How evenly the numbers of each species are spread out

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Keystone Species

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A species that has a large effect on the ecosystem.

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Invasive Species

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A species that doesn’t belong and causes harm.

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Endemic Species

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A species found only in one place.

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Indicator Species

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A species that shows how healthy an ecosystem is.

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Native Species

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A species that naturally belongs to an ecosystem.

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Endangered Species

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A species at risk of dying out

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Resilience

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The ability of an ecosystem to recover after a disturbance.