D. an arctic fox is brown in summer and white in winter
Well, I need the chart first of all, but second, If you have to find out which one is closely related to A, just take the amino acid sequence and compare the sequence to each organism, and which ever one has the most related sequences, is the closely related organism.
Answer:
I think it is D.
Explanation:
People who have a fast metabolism dont need it so whats the point, and the others are just random.
