Biological evolution is genetic change that takes place within a group of organisms. Anagenesis is evolution that takes place within a single lineage; cladogenesis is the splitting of one lineage into two.
-Briefly describe how evolution takes place as a two-step process.

Question

Quizplus · Accepted Answer

The Answer is First genetic variation arises. Then various evolutionary forces cause changes in the frequency of genetic variants.

Biological Evolution Is Genetic Change That Takes Place Within a Group