Which of the Following Statements About Evolutionary Forces Is Accurate

Multiple Choice

Which of the following statements about evolutionary forces is accurate?

A) Unlike the other evolutionary forces, gene flow is the only force that causes populations to become more different.
B) Unlike the other evolutionary forces, mutation is the only force that decreases genetic variability.
C) Unlike the other evolutionary forces, nonrandom mating is the only force that changes allele frequency.
D) Unlike the other evolutionary forces, natural selection is the only force that improves the match between the organism and its environment.