An endoskeleton is the primary body support for the Biology An endoskeleton is the primary body support for the A) annelids, including earthworms. B) insects, including beetles. C) cartilaginous fishes, including sharks. D) bivalves, including clams. E) crustaceans, including lobsters. Answer: C Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+
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