Answer:
I think it is the last one.
Explanation:
I am not sure because i am stuck on this one, too.
5! 5! 5! 5! it's 5!!!!!!!!!! Well that's what my friend told me so
Answer:
Natural selection is a mechanism, or cause, of evolution.
Explanation:
Adaptations are physical or behavioral traits that make an organism better suited to its environment. Heritable variation comes from random mutations.