Which Statement About Skeletons Is True

question 231

Multiple Choice

Which statement about skeletons is true?

• A) No skeleton consists entirely of cartilage.
• B) Hydrostatic skeletons are not useful in the function of locomotion.
• C) An advantage of an exoskeleton is that it can continue to grow throughout the life of the animal.
• D) Unlike bones, external skeletons must remain flexible and therefore do not contain calcium carbonate crystals.
• E) The two categories of bone are membranous bone and cartilage bone, based on how the bones are formed.

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