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What is a keystone species?

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A species that has a crucial role in the way an ecosystem functions.

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What defines an endangered species?

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An endangered species is one whose numbers are so small that it is at risk of extinction.

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What is an invasive species?

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A non-native (not naturally found) species added to an area.

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What does biodiversity refer to?

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Biodiversity refers to the number of different species in a given area.

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What is a native species?

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A species indigenous to a certain region or ecosystem.

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Why are keystone species important in an ecosystem?

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They help maintain the structure of an ecological community.

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What are the consequences of losing a keystone species?

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The loss can lead to significant changes in the ecosystem and loss of biodiversity.

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How do invasive species affect local ecosystems?

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They can outcompete native species for resources, leading to declines in native populations.

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What are some examples of keystone species?

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Examples include sea otters, wolves, and beavers.

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What role does biodiversity play in ecosystem resilience?

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Higher biodiversity increases ecosystem resilience, allowing it to recover from disturbances.