Aclient whose weight was average for her height before becoming pregnant is concerned because she has gained 15 lb (6.8 kg) after only 23 weeks of pregnancy. what is the nurse's most appropriate response?

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.