What is population density, distribution?

Explanation:

Population density is a measurement of population per land area.

The population density of a place tells us whether the place occupied by the population is densely or sparsely populated.

The population distribution is the spread of population in a particular area.

there’s no image attached but i can if you want: )

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.