Which of the Following Statements About Evolutionary Forces Is Accurate

question 10

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.

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Definitions:

Exponential Growth

A population growth pattern where the size of the population increases at a rate proportional to its current size, leading to faster growth as the population gets larger.

Carrying Capacity

The maximum population size of a biological species that an environment can sustain indefinitely.

Random Dispersion

A pattern of spacing of individuals within a population where the position of each individual is independent of others.

Interference Competition

Intraspecific competition in which certain dominant individuals obtain an adequate supply of the limited resource at the expense of other individuals in the population. Also called contest competition.