Answer:
C
Explanation:
one letter big and one small
the first letter is capital
Answer:
In general, negative selection eliminates from the population very harmful changes to proteins that kill or stop reproduction. ... The authors also found a correlation between genes predicted to be under negative selection and genes implicated in certain hereditary diseases
Explanation:
C; rolls in mud to cool off and deter flies All the other answers refer to structural (physical) adaptations.
It's C. RNA uses Uracil in place of Thymine
<span>TGCAAT
</span><span>ACGUUA</span>
