Which statement about the endoskeletons of vertebrates is true?
A) The muscles are attached to a nonliving support structure.
B) The rib bones are part of the appendicular skeleton.
C) They allow the animal to expand without molting.
D) They consist of bone, only.
E) Only one bone is required to form a joint.

Question

Quizplus · Accepted Answer

Endoskeletons of vertebrates allow the animals to expand as they grow without the need for molting. This is because bones can grow with the animal and do not need to be shed and replaced like exoskeletons.

Which Statement About the Endoskeletons of Vertebrates Is True