How does genetic variation and mutation play a role in natural selection?

Genetic variation and mutation plays the role of natural selection due to the survival of the finest ideal. if the genetic variation or mutation that occurs helps the animal or species survive then the species will live on. however is if the mutation or variation leave the species weaker then the species could die off in natural selection.

Answer(a) one needs to learn from experts and be determined to be the best in the field;

Ithink the answer is c hope i