Both photosynthesis and cellular respiration rely on electron carrier molecules to provide electrons to ultimately produce atp. in photosynthesis, the source of electrons is and in cellular respiration the source of electrons is

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.