When bacteria break down the tissue of a rotting log, they ensure that
a) pine trees lose more needles.
b) sick trees die sooner. c) plants in the forest get nutrients.
d) trees get more sunlight.

c)other plants in the forest get nutrients.

Explanation:

Bacteria break down dead organisms and return the nutrients to the environment.

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.