47. During meiosis, an organelle breaks down to allow chromosomes to separate. This part then redevelops during the last phase of the cycle. Which part of the cell should be added to Figure 2 to make the diagram more accurate? A vacuole B. mitochondrion C. cell membrane D. nucleus​

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