Biodiversity & Human Impact

Why do you think biodiversity is important?

• A larger number of plant species means a greater variety of crops

• Healthy ecosystems can better withstand and recover from a variety of disasters

• biodiversity provides functioning ecosystems that supply oxygen, clean air and water, pollination of plants, pest control, wastewater treatment and many ecosystem services

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Biodiversity is greatest near the _________

• North Pole

• Equator

• Switzerland

• None of these

Biodiversity refers to.........

• differences in plants

• differences in animals

• the variety of all life on earth

• animals located near the artic

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Do humans have an impact on biodiversity?

• yes

• no

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An invasive species refers to

• an organism that is not native

• an organism that disrupts the ecosystem

• both of these are correct

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The loss of a natural habitat is called _______.

• moving

• wild fire

• pollution

• habitat destruction

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The breaking of habitats into smaller pieces is called _______.

• habitat breaking

• habitat pollution

• habitat destruction

• habitat fragmentation

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Which of the following pose a threat to biodiversity? Choose all that apply.

• invasive species

• habitat destruction

• population growth

• pollution

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Which threat to biodiversity causes all of the others?

• population growth

• pollution

• habitat destruction

• invasive species

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Extreme weather conditions, such as floods, forest fires, & hurricanes, are called _______.

• climate change

• precipitation

• weather

• natural disasters

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