The planaria in the diagram are undergoing regeneration. this is a type of reproduction. a) asexual b) evolutionary c) random d) sexual

Directions: read the descriptions of the four islands presented in the lesson. 1. list two new traits that each new species of rat might demonstrate as it adapts to the conditions on each island. 2. introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.

Natural selection changes allele frequencies because some survive and reproduce more successfully than others.

This is a scaffolding of protein fibers that us sell keep it shape in a cell division and cell movement