GRE Text Completion Question 413
The history of global diversity suggests that biological diversity was hard won and a long time in coming. Furthermore, this pattern of increase was (i)_____by five massive extinction episodes. The most recent of these, during the Cretaceous period, is by far the most famous. But the cretaceous crisis was (ii)_____compared with the Permian extinctions 240 million years ago, during which between 77 and 96 percent of marine animal species (iii)_____. It took 5 million years, well into Mesozoic times, for species diversity to begin a significant recovery.
|A set back||D distorting||G flourish|
|B aid to||E minor||H perished|
|C conjure for||F neutral||I neutral|
Correct Answer: AEH