Chapter 7 Environmental Science Biodiversity and Conservation

What is NOT factor that threatens biodiversity?

• Population growth
• Habitat Loss
• Overexploitation
• Clean water

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Overexploitation was once the main cause of what?

• Biodiversity
• Extinction
• pollution

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The species that plays the biggest role in the habitat is?

• Smaller species
• Larger species 
• Keystone Species
• Evolving species 

How can habitat disruption affect biodiversity?

• It can lead to loss of biodiversity.
• It will lead to new species taking over all of the habitats.
• It will lead to climate change.
• It will cause the animals to get sick.

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Pollution damages ecosystems and decreases biodiversity by doing what?

• Causing  genetic diversity
• Causing species diversity
• Releasing harmful substances

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An event  in which a large percentage of all living species become extinct in a relatively short period of time.

• Habitat fragmentation 
• Mass extinction
• Overexploitation
• Background extinction

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Define habitat fragmentation.

• The excessive use of a species that has economic value.
• All species dying in one area
• The different environmental conditions that occur along the boundaries of an ecosystem.
• The separation of an ecosystem into small areas.

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The excessive use of a species that has economic value

• Overexploitation
• Habitat fragmentation
• Habitat loss
• Evolving species

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Any material or organism in the biosphere including water, soil, fuel and plants and animals.

• bioremediation
• Introduced species
• Endemic
• Natural resource

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Adding natural predators to a degraded ecosystem is called what???

• Bioremediation
• Biological augmentation
• Endemic
• Sustainable use

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