You observe that a population of mosquitoes is evolving through
selection, and you want to determine whether the specific form of
selection is sexual selection, natural selection, or artificial
selection. Which of the following is the most useful question to
ask?

A.How do females decide which pond or stream to lay their eggs
in?

B.Is there variation among individuals in the population?

C.Do some individuals have more babies than other
individuals?

D.What factor determines which
individuals are producing the most offspring?

E.How large is the population of
mosquitoes?