To assist individual and for communities to function as effectively as possible in the major domains of living.
Answer:
A. It Shows that organisms have changed over time.
Explanation:
It is d. If it was adaptation, the organism would have stayed in order to adapt. The species moved in order to not go extinct. It can not be speciation, because a new species was not made. It is stimulus. It experienced too much heat, so it left.
Only the bases varies from one nucleotide to another.