ES: CH7 Biodiversity & Conservation

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What is a species that is not native to a particular region?

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Exotic species are organisms that are introduced to a region where they do not naturally occur.

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Where is biodiversity greater?

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Biodiversity is greater near the equator, where ecosystems are more diverse and complex.

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What is a species at risk, but not yet endangered?

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

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In what part of the world are the greatest number of extinctions occurring?

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The greatest number of extinctions are occurring in tropical rain forests due to habitat loss and other factors.

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What is Earth's diversity of biological communities called?

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Ecosystem diversity refers to the variety of ecosystems within a given area.

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What term describes the variety of species within a specific habitat?

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Species diversity refers to the number of different species in a particular area.

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What is genetic diversity?

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Genetic diversity is the total number of genetic characteristics in the genetic makeup of a species.

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What does the term 'endemic' mean?

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Endemic species are those that are native to and found only within a specific geographic area.

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What is an endangered species?

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An endangered species is one that is at serious risk of extinction.

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What is the primary cause of biodiversity loss?

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Habitat destruction is the primary cause of biodiversity loss worldwide.