Question

question 5
1 pts
which of the following evolutionary mechanisms is most important in small populations?
genetic drift
natural selection
mutation
gene flow

Explanation:

Genetic drift refers to random changes in allele frequencies. In small populations, chance events can have a more significant impact. For example, if a small number of individuals carry certain alleles, random deaths or non - reproduction can disproportionately affect allele frequencies. Natural selection acts based on fitness (survival and reproduction success related to traits), mutation is a random change in DNA, and gene flow is the transfer of alleles between populations. But in small populations, the random nature of genetic drift has a more pronounced effect compared to these other mechanisms.

Answer:

genetic drift