Which of the following principles is NOT part of DARWIN'S contributions to the theory of evolution by natural selection?
A. Evolution is a gradual process that occurs over long periods of time.
B. Variation occurs among individuals in a population.
C. Mutations are the ultimate source of genetic variation.
D. More individuals are born than will survive.
E. Individuals that posses the most favorable variations have the best chance of reproducing.
Answer: C
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AP Biology
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