All of the following are necessary for natural selection to occur EXCEPT: A. Characteristics acquired by individuals over the course of their lifetime, i.e. big muscles from weight lifting, are passed on to their offspring.B. Variation exists in populations (all individuals are NOT the same).C. There is differential reproductive success within populations, i.e. some individuals have more offspring than others.D. Populations have the ability to produce more individuals than the environment can support.E. The fittest individuals leave the most offspring.