Which statement best represents how structure relates to function?

a.) many tropical birds can be taught to speak?

b.) some insects live longer than others.

c.) great white sharks have sharp serrated teeth for tearing into their prey.

d.) a horses mane is often black.

 C.) Great white sharks have sharp serrated teeth for tearing into their prey.

Structure of teeth is highly related to the food an animal eats. For a carnivore, the animal whom eating meat, then sharp teeth is giving most benefit since meat is hard to cut. For herbivore, teeth with cutting ability will help much to cut the grass.