Which of the following provides the best evidence of a biodiversity crisis?
A) the incursion of a non-native species
B) increasing pollution levels
C) decrease in regional productivity
D) high rate of extinction
E) climate change
Correct Answer:
Verified
Q2: Extinction is a natural phenomenon. It is
Q3: According to the U.S. Endangered Species Act
Q4: According to most conservation biologists, the single
Q5: Which of the following groups is most
Q6: Introduced species can have deleterious effects on
Q7: Estimates of current rates of extinction
A) indicate
Q8: The greatest cause of the biodiversity crisis,
Q9: Which of the following terms includes all
Q10: What is the biological significance of genetic
Q11: What is the estimated number of extant
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