Conditions under which natural selection occurs in a beetle population are described in the table below:

Natural Selection Description
A Green and brown beetles exist in a population
B Brown colored beetles escape predation to live longer

Which factor contributes to natural selection for each condition?
A. Condition A and Condition B represent competition.
B.Condition A and Condition B represent inherited variation.
C. Condition A represents inherited variation, and Condition B represents differential reproductive success.
D.Condition A represents differential reproductive success, and Condition B represents inherited variation.