Locomotion in insects differs from that of vertebrates in that the muscles of insects
A) are attached to an endoskeleton rather than an exoskeleton.
B) are inside the skeleton rather than outside.
C) push (extend)rather than pull (contract).
D) do not extend across joints.

Question

Quizplus · Accepted Answer

Insects have an exoskeleton, which means their muscles are inside the skeleton rather than outside, as is the case with vertebrates that have an endoskeleton.

Locomotion in Insects Differs from That of Vertebrates in That