Question

6) African cichlids are a group of closely related fish species. There are at least 500 known species living in three small lakes. Over time, specialized teeth and body colorations have evolved for each species in response to mutations and competition for food and mates. This change over time is an example of

A) coevolution.
B) adaptive radiation.
C) convergent evolution.
D) vestigial structures.

Answer 1

B) adaptive radiation

Answer 2

It's ADAPTIVE RADIATION because it is the diversification of a group of organisms into forms filling different ecological niches.