Question

State and define three factors responsible for the rise of a new species.

Answer 1

1. Geographic isolation: Wherein geographic barrier pre ents interaction between species. Over a period of time, the sub-populations become more and more diversified from one another and finally form two different species.
2. Genetic drift: The accidental change in frequency of genes in a small population is called genetic drift.
3. Natural selection: It is the process that results in the increased survival and reproductive success of individuals that are well suited to their environment.