The hypothalamus in the brain contributes to the body's maintenance of a steady internal physiological state, called homeostasis.
Answer:
I think its D. Artificial Selection
Explanation:
Sorry if this didn't helped you.
Carbon is transfered by plants and animals.
The most true answer from these choices is:
Methyl groups most often added to guanine-cytosine base pairs because they are held by three hydrogen bonds, and this decreases the probability of gene expression.