What effect do you expect the structural differences between prokaryotes and eukaryotes to have
on their functions?

rocks and weathering-matching

b) the inside picture would look at a very high temperature in a very low ph

what is this saying?

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.