The observed results of an experiment that occur from changes in the independent variable are known as a. controlled variables b. dependent variables c. trials d. constants

Dependant variable as it is what is measured

the aswer is letter c

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.