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

Natural Selection Description
Condition 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?
Condition A and Condition B represent competition.
Condition A and Condition B represent inherited variation.
Condition A represents inherited variation, and Condition B represents differential reproductive success.
Condition A represents differential reproductive success, and Condition B represents inherited variation.