Answer:
this answer is easy think of it as a problem about u
Explanation:
Answer:
Correct statement:<em> When balancing selection occurs, </em><em>certain phenotypes are favored when they are common</em><em> but </em><em>not when they are rare</em>
Explanation:
You will find the explanation in the attached file due to technical problems.
Answer:
By using specialized external systems.
Explanation:
To maintain homeostasis, unicellular organisms grow, respond to the environment, transform energy, and reproduce.