What means land masses?explain

A landmass, or land mass, is a large area of land. The term is often used to refer to lands surrounded by an ocean or sea, such as a continent or large island. In the field of Geology a landmass is a defined section of continental crust extending above sea level.

.

oak trees? ? what was listed

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.