Order the following events that, according to Paul Wignell's hypothesis, may have caused the Permian mass extinction on both land and in the sea

A. acid rain
B. global warming
C. Siberian trap eruptions
D. raised CO2 levels
E. oceanic stagnation
F. SO2, Cl, and F emissions

Land: __ > __ > __ > terrestrial mass extinction
Sea: __ > __ > __ > __ > marine mass extinction

What will be an ideal response?


ANS:
Land: C. > F. > A. > terrestrial mass extinction; Sea: C. > D. > B. > E. > marine mass extinction

Biology & Microbiology

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