Ineed with my anatomy and phisiology h. w

What is the next step in the process after a substrate enters the active site of an enzyme

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.

Which is the best example of plant tissue? the answer is d (just took the test)