Answer:
1- C, evolution.
2- D, adaptation.
3-A, gene. (if it is multiple choice, then its A and B.)
4-E, fitness.
Add-on:
sorry if its incorrect, hope this helped you.
Answer: pretty sure the answer is C
Explanation:
The signal transduction pathways<span> recruited by the receptors of these hormones and growth factors </span>are<span> of particular interest.
Im not too sure about this might wanna check it.</span>
