12/20 5 Little ?'s Env Sci

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What are invasive species?

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Invasive species are non-native organisms that, when introduced to a new ecosystem, can cause harm to the environment, economy, or human health.

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Why are invasive species a problem in their new ecosystem?

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The new ecosystem isn’t adapted to their presence, which can lead to the decline or extinction of native species.

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What does biodiversity refer to?

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Biodiversity, or biological diversity, refers to the number of different species in a given area.

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What is an endangered species?

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An endangered species is a species that is likely to become extinct if protective measures are not taken immediately.

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What are some direct causes of species extinction due to human activity?

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Habitat destruction, poaching, and pollution are direct causes of species extinction.

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How do humans impact biodiversity?

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Humans impact biodiversity primarily by destroying the habitats of a large number of species.

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What is habitat destruction?

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Habitat destruction is the process in which natural habitat becomes incapable of supporting its native species.

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What is poaching?

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Poaching is the illegal hunting, capturing, or collecting of wildlife.

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What is pollution?

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Pollution is the introduction of harmful substances or products into the environment.

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What is a threatened species?

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A threatened species is one that is likely to become endangered in the near future.