Which statement about the endoskeletons of vertebrates is true? The muscles are attached to a living support structure. Endoskeletons are inert systems. Molting is necessary in animals with endoskeletons. Endoskeletons consist of chitin containing calcium. At least one skeletal structure is required to form a joint.
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Step 1: The muscles in vertebrates are attached to a living support structure, which is the endoskeleton. Show more…
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