As we study the past 50,000 years worth of information about species' decline and extinctions around the world
A. we see a steady-state rate of extinctions on all continents, only islands show a difference due to climate change.
B. we see rapid extinctions, especially of the larger animals, not long after humans arrive in an area.
C. we see huge extinctions, especially of the larger animals, with ice ages and global warming.
D. we see local extinctions that appear random, and then recolonizations from other areas.
E. we can make a rough estimate of a population's risk of a local extinction.
Answer: B
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Fill in the blank(s) with the appropriate word(s).
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