Metamorphic rock transforms to sediment by

the fossil record provides evidence of a common ancestor to many species.

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

explanation:

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.