Which of the Following Pairs Is Incorrectly Matched

Multiple Choice

Which of the following pairs is incorrectly matched?

A) rosy periwinkle - medicinal plant that inhibits cancer cell growth
B) extirpation - local extinction
C) acid rain/precipitation - rain, snow, sleet with a pH < 6
D) extinction vortex - processes that result in smaller and smaller population size until all individuals die
E) effective population size - based on the breeding potential of a population