Species & Biodiversity Review

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What is a native species?

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A species indigenous to a given region or ecosystem naturally.

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What is a keystone species?

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A species that has a big impact on its ecosystem, often with a small population.

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Define genetic diversity.

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Variation of genes within a species or population in a given area.

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What are keystone species?

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Species that have a disproportionately large effect on their environment relative to their abundance.

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What is species diversity?

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The different living things (plants and animals) in an area.

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What is an introduced species?

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A species that is brought to an area by human activity.

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What is an invasive species?

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A non-native species that spreads widely and causes harm to the environment, economy, or human health.

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What is ecosystem diversity?

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The variety of ecosystems in a given area.

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What is the significance of biodiversity?

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Biodiversity contributes to ecosystem resilience, productivity, and provides resources for humans.

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What is a habitat?

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The natural environment in which a species or community of species lives.