Question

evolution is change in a population over time and includes the gene pools of that population. how does biogeographic isolation allow for the change of gene pools over time?
biogeographic isolation affects the random changes that take place within gene pools
biogeographic isolation causes changes in gene pools that result from populations being separated
biogeographic isolation determines who will win competition for mates.
biogeographic isolation determines the time that populations will breed.

Explanation:

Biogeographic isolation separates populations. When populations are separated, they experience different selective pressures, mutation rates, and genetic drift. This leads to changes in their gene pools over time. For example, if a population of birds is separated by a mountain range, each sub - population may evolve different traits (like beak size for different food sources in their respective areas), which is reflected in changes in their gene pools.

Answer:

B. Biogeographic isolation causes changes in gene pools that result from populations being separated.