The Rigid Exoskeleton of Some Ecdysozoans Has Protective and Supportive

The rigid exoskeleton of some ecdysozoans has protective and supportive advantages,but it poses which problem?

A) The exoskeleton prevents the animal from moving rapidly.
B) The exoskeleton cannot grow as the animal's body grows.
C) The animal must consume large amounts of food to support the growth of the exoskeleton.
D) The exoskeleton attracts predators.
E) The exoskeleton is vulnerable to overexposure from the sun.