Biology

The correct answer is: D.sympatric speciation

Explanation:

Sympatric speciation occurs when a new species arises within the geographic range of the parent population, without any physical barriers separating the groups. This can happen due to various factors such as ecological differences (e.g., using different resources), behavioral differences (e.g., mating preferences), or genetic changes that lead to reproductive isolation within the same area.

Here’s a breakdown of the other options:

A.Ecological speciation is a type of sympatric speciation where populations become reproductively isolated due to different...