Textbook Problem

Which of the following is not true of natural selection? (a) natural selection acts to preserve favorable traits and eliminate unfavorable traits (b) the offspring of individuals that are better adapted to the environment will make up a larger proportion of the next generation (c) natural selection directs the course of evolution by preserving the traits acquired during an individual’s lifetime (d) natural selection acts on a population’s genetic variability, which arises through mutation (e) natural selection may result in changes in allele frequencies in a population