Species change over time. -The mechanism that produces the change is natural selection: the differential survival and reproduction of individuals based on variation in their traits. Natural selection acts on individuals but individuals do not evolve; their descendants do.
Has normal (2n) amount of DNA;
Has twice (4n) the normal amount of DNA
i think c. is the best answer , we just got off that topic like a week ago .
Alleles i think. i learned this like yesterday lol