You should begin a new investigation

a. by making up the data that you will report later.
b. by reviewing related work done by others.
c. by using only your opinion on how the investigation should be done.

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.