Question

Evolution occurs: a) only when the environment is changing. b) only through natural selection. c) almost entirely because of directional selection. d) only via natural selection, genetic drift, migration, or mutation. e) by altering physical traits but not behavioral traits.

Answer 1

e. by altering physical traits but not behavioral traits.

Step-by-step explanation:

Genetic variations can arise from gene variants (also called mutations) or from a normal process in which genetic material is rearranged as a cell is getting ready to divide (known as genetic recombination). Genetic variations that alter gene activity or protein function can introduce different traits in an organism