Ask your own question, for FREE!
Biology 23 Online
OpenStudy (anonymous):

Skeletons of early vertebrates were composed of cartilage instead of bone. Which characteristic does cartilage share with notochords? A. It is hard and rigid. B. It is soft and flexible. C. It contracts. D. Oxygen can diffuse through it.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!