Question

In order for natural selection to occur, there must be variation within the population. Which statements are an accurate reflection of the relationship between natural selection and variation in the population? Select ALL that apply.
Responses
A Mutations are caused by natural selection.Mutations are caused by natural selection.
B Mutations are a source of variation within any population.Mutations are a source of variation within any population.
C Genetic variation is increased in populations with sexual reproduction.Genetic variation is increased in populations with sexual reproduction.
D Genetic diversity is decreased overall by the mechanism of natural selection.Genetic diversity is decreased overall by the mechanism of natural selection.
E Natural selection lowers the population size but maintains the genetic variation in a population.

B Mutations are a source of variation within any population.

C Genetic variation is increased in populations with sexual reproduction.