The Rate of Background Extinctions is Calculated to Be _____

Question

The rate of background extinctions is calculated to be _____ species per year per million species.
A) None of the answer choices are correct.
B) 0.001 to 0.01
C) 10 to 100
D) 1.0 to 10
E) 0.1 to 1.0

Accepted Answer

The rate of background extinctions is estimated to be 0.1 to 1.0 species per year per million species, which is option E.