The animals that cannot adapt to their changing enviroment will not be able to survive and reproduce.
Nutrients enter a cell with the concentration gradient by the process of diffusion.
I hope this helps!
The answer is A, homozygous donimant - although i have a feeling that the question you posed was not right, were both the parents meant to be homozygous? or should one be heterozygous? (it's just that would be a better question!)
:)
