The type of skeleton that is usually composed of either a calcium-containing shell or chitin is a(n)
A) endoskeleton.
B) exoskeleton.
C) hydrostatic skeleton.
D) gastrovascular cavity.
E) vascular canal.

Name: The type of skeleton that is usually composed of either a calcium-containing shell or chitin is a(n) A) endoskeleton. B) exoskeleton. C) hydrostatic skeleton. D) gastrovascular cavity. E) vascular canal.
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Question

Quizplus · Accepted Answer

Exoskeletons have muscles attaching to their insides.

The Type of Skeleton That Is Usually Composed of Either