Which of the following statements about extinction is false?
A)Extinction is the elimination of a species from Earth.
B)Background extinction eradicates a large number of species during a relative short period of geologic time.
C)Mass extinctions have occurred 5-6 times throughout Earth's history.
D)Extinction rates are accelerated by human activities.
E)The present extinction rate is 100-1,000 times the background rate.

Question

Quizplus · Accepted Answer

Background extinction refers to the standard rate of extinction in earth's geological and biological history before humans became a primary contributor to extinctions. It contrasts with mass extinctions, which eradicate a significant proportion of the world's biota in a relatively short time.

Which of the Following Statements About Extinction Is False