Which statement about the steps of evolution by natural selection is not true? A. Populations are able to overproduce.
B. A small amount of variation can be attributed to inherited traits.
C. Adaptations for an environment become more common over time.
D. Some individuals produce more offspring than others due to their environment.

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.