Isolation can be due to behavioral, geographical, or temporal barriers. <span>Speciation can take place in two general ways. A single species may change over time into a new form that is different enough to be considered a new species. This process is known as anagenesis. More commonly, a species may become split into two groups that no longer share the same gene pool. This process is known as cladogenesis. There are several ways in which anagenesis and cladogenesis may take place. In all cases, reproductive isolation occurs. Hope this helps! </span>
Answer:
May be Nutritional but no sure
It is bcz the earth is in the effect of sun while moon is under the effect of earth. the earth. So the answer is that the gravitational pull of earth is greater than the moon