In the 1800s, both “old” and “new” immigrants to the United States faced hostility because of

not sure if this is what you'r looking for eubacteria and archaebacteria

the actual answer was 160934

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.