A) A hydrostatic skeleton; an endoskeleton.
B) Opposing muscles; an exoskeleton.
C) An exoskeleton; an endoskeleton;
D) An endoskeleton; a hydrostatic skeleton.
Correct Answer: D
Solution :
[d] An exoskeleton is a hard encasement deposited on the surface of the animal; an endoskeleton consists of hard supporting elements, such as bones, buried within the soft tissues of an animal.You need to login to perform this action.
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