A) Natural selection
B) Genetic drift
C) Mutation
D) Nonrandom mating
E) None of the above

A) chance variations in traits.
B) the potential for all species to increase rapidly in number.
C) the processes that lead individuals to resemble their parents.
D) the differential survival and reproduction of individuals.
E) the immutability of species.

A) Most mutations are either deleterious or advantageous.
B) Mutations are random with respect to the adaptive needs of organisms.
C) The effects of a mutation are constant;whether a mutation is deleterious or beneficial cannot be influenced by environmental conditions.
D) Only rarely does an individual human carry a new mutation in his or her genome.
E) Mutations alone result in adaptation.