I think it might be C, as the genome is specific to an individual, so the gene pool is that for the population, I suppose.
Carbon hydrogen and oxygen.
Have a good night!
Explanation:
sorry, I may use old terms; I believe it is at the hypothalamus, for endocrine system...
Well new species can come and live there and some animals may have new food but the disadvantage is some of the animals ill die that lived there because of the changes...i hope this helped you
