Although extinction is a natural process, current extinctions are of concern to environmentalists because
A) more animals than ever before are going extinct.
B) most current extinctions are caused by introduced species.
C) the rate of extinction is unusually high.
D) current extinction is primarily affecting plant diversity.
E) None of the options are correct.

Question

Quizplus · Accepted Answer

The high rate of extinction is a major concern to environmentalists. While extinction is a natural process, humans have accelerated it through habitat destruction, introduction of non-native species, and climate change. The current rate of extinction is estimated to be 1,000 to 10,000 times higher than the natural extinction rate, which is a cause for concern.

Although Extinction Is a Natural Process, Current Extinctions Are of Concern