Invasive Species and Ecosystem Disruption Quiz

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What is the current annual rate of species extinction compared to the estimated background extinction rate?

100 to 1,000 times higher (correct)

10 to 100 times higher

Equal to the estimated background extinction rate

1,000 to 10,000 times higher

When did the Holocene Extinction occur?

11,700 years ago to present (correct)

200,000 years ago

1759

1 million years ago

What caused the extinction of the Thylacine?

Natural causes

Habitat destruction

Relentless hunting and culling (correct)

Climate change

What is the main reason for the listing of 40% of endangered species in the United States?

Invasive species Signup and view all the answers

Which species has the potential to wipe out as much as 90% of native ant populations?

Argentine Ant (Linepithema humile) Signup and view all the answers

What is an effective way to reduce threats from invasive species?

Educating the public about releasing exotic plants and pets Signup and view all the answers

What has driven at least one species to complete extinction?

Overhunting for bushmeat Signup and view all the answers

What does HIPPCO stand for in the context of species conservation?

Habitat destruction, invasive species, population growth, pollution, climate change, overexploitation Signup and view all the answers

What is the single greatest threat to species according to the text?

Habitat destruction, degradation, and fragmentation Signup and view all the answers

What ecosystem service do various plant species provide according to the text?

Economic value as food crops Signup and view all the answers

What do nonnative tree species contribute to according to the text?

Economic value as food crops Signup and view all the answers

Invasive Species and Ecosystem Disruption Quiz

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Questions and Answers

What is the current annual rate of species extinction compared to the estimated background extinction rate?

When did the Holocene Extinction occur?

What caused the extinction of the Thylacine?

What is the main reason for the listing of 40% of endangered species in the United States?

Which species has the potential to wipe out as much as 90% of native ant populations?

What is an effective way to reduce threats from invasive species?

What has driven at least one species to complete extinction?

What does HIPPCO stand for in the context of species conservation?

What is the single greatest threat to species according to the text?

What ecosystem service do various plant species provide according to the text?

What do nonnative tree species contribute to according to the text?

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