Extinction rates over the past 50 years are _____ times higher than the historic rate.
A) 100
B) 1,000
C) 10
D) 10,000
Correct Answer:
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Q19: Why are regulating services considered instrumental values?
Q20: How many mass extinctions have occurred?
A) 5
B)
Q21: The period of the last _ may
Q22: The International Union for Conservation of Nature
Q23: The collapse of the Atlantic cod fishery
Q25: Which of the following is NOT an
Q26: The largest cause of declining biodiversity is
A)
Q27: Declines in genetic diversity can
A) increase the
Q28: Why has it been challenging to determine
Q29: The Sumatran tiger (Panthera tigris sumatrae) has
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