Which of the following statements about bone found in early vertebrates is correct?
Answer: The bone in early vertebrates formed a protective exoskeleton.
Which of the following statements about bone found in early vertebrates is correct?
Answer: The bone in early vertebrates formed a protective exoskeleton.
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.