Test your knowledge
Do you know about the threats facing nonhuman life on Earth? Take this quiz to test your knowledge.
Which of the following is not a major cause of deforestation?
Hydroelectric development
Mining
Agricultural expansion
Logging
Correct!
Wrong!
Roughly 99 percent of threatened species are at risk because of human activity alone.
True
False
Correct!
Wrong!
An endangered species is at risk of extinction.
True
False
Correct!
Wrong!
Marine organisms are largely unaffected by global warming.
True
False
Correct!
Wrong!
Elephant ivory is the most-trafficked wildlife item.
True
False
Correct!
Wrong!
Around 40 percent of amphibian species are threatened with extinction.
True
False
Correct!
Wrong!
We depend on bees and other pollinators for about one-third of our food crops.
True
False
Correct!
Wrong!
Species are becoming extinct at a rate 10 times greater than the natural rate would be.
True
False
Correct!
Wrong!
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Biodiversity Loss Quiz
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