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Question
Why is it important to know the background and projected extinction rates for global species?
a. At least 25% and as many as 50% of the worlds roughly 2 million identified animal and plant species could vanish
b. The speciation rate of pests could increase to 1,000 times the background rate.
c. More species are becoming endangered in well-populated and developed countries.
d. More species are becoming threatened in well-populated and developed countries.
e. Background extinction rates are rising at an accelerating rate.
Answer
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