Which of the following is the greatest known mass extinction to date?
A)K-T mass extinction
B)Permian mass extinction
C)Triassic mass extinction
D)Devonian mass extinction

Question

Quizplus · Accepted Answer

The Permian mass extinction, also known as the "Great Dying," is considered the greatest known mass extinction because it resulted in the loss of approximately 90% of all marine species and approximately 70% of terrestrial species. This event resulted from a combination of factors, including massive volcanic eruptions, global warming, and ocean acidification.

Which of the Following Is the Greatest Known Mass Extinction