Which would be more difficult for that population to survive: a disease that destroys half of its population, or a disease that targets any organism in the population with similar traits. Why?

answer:

sequence 1- deletion

                  2- duplication

                  3- insertion

                  4- substitute

                  5- inversion

wegner's theory did not explain how the continents could move

explanation:

other information encoded in your genes might distinguish you from the others in the group

fumikage isn't really a bird, and tsuyu does have teeth. tsuyu has a transformation quirk which still allows her to be partially human. otherwise we'd have a large frog running around. fumikage has teeth because again, he isn't a bird. his head was a quirk mixture if i'm correct.