Question

Which of the following is true of a population that is evolving by means of natural selection?

A) aquired characteristics are passed down from parent to offspring.
B) organisms best adapted to their environment have the highest fitness.
C) allele frequencies of all mutations are continuously increasing.
D) alleles become more or less common in the population through a series of chance occurrences.​

Answer 1

The correct answer to this question is B

Answer 2

Natural selection is the process in which organisms who have the ability to survive more in the environment are favored than the other ones. In this type of evolution, the ones who do not adapt well with the environment gradually die off and the one with the best traits are left standing. Among the choices, choice B reflects this explanation.