I believe it is <u>instinct </u>that is the behavior of the caterpillar building a cocoon.
C.
It is d, becuase you divide 500 by 15, and that is the closest answer
Fungi lacks the ability to produce their own food because they do not have chloroplast which is needed to obtain energy from the sun and convert it into food. Also fungi lack ability to fix nitrogen which has to be incorporated into their food. They also can not fix carbon and utilize it to produce food. Because of these they have to depend on dead organic matters for food.
