Biodiversity Review

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Biodiversity, aka biological diversity, usually refers to

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the number of different species in a given area

Front

A species that is likely to become extinct if protective measures are not taken immediately is known as

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endangered species

Front

Which applies to this environmental problem: Invasive carp are fast-growing, aggressive, and adaptable fish that are outcompeting native fish species for food and habitat in much of the mid-section of the United States?

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Invasive Species

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How are humans most impacting the biodiversity of ecosystems worldwide?

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We are destroying the habitats of a large number of species.

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Why are invasive species such a problem in their new ecosystem?

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The new ecosystem isn’t adapted to their presence.

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Scientists think people have directly caused the extinction of some species through: habitat destruction, poaching, pollution, All of these.

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All of these

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How can humans best help an endangered species avoid extinction? Options: they can feed the animals, they can put the animals in a zoo, they can protect the animal’s habitat, they can take the animal to new habitats

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they can protect the animal’s habitat

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Which applies to this environmental problem: Humans produce an excessive amount of artificial light which can interfere with natural cycles of light/dark in an environment and can confuse animals? Options: Habitat Loss, Invasive Species, Pollution, Population Growth, Over-exploitation

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Pollution

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How is the current decline in biodiversity different from the previous mass extinctions that Earth has experienced?

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This is being caused by humans

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Which of the following is NOT a way in which humans are destroying habitats?

• Gathering rain water to use to water crops
• Clearing out prairies to grow a single crop
• Cutting trees to use as toilet paper
• Building a shopping mall with a large parking lot

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Gathering rain water to use to water crops