Which of the following statements is correct about bone found in early vertebrates?

+1 vote

 

  

Bone found in early vertebrates made up their endoskeleton.

  

The bone in early vertebrates formed an exoskeleton that served as protection for the organism.

  

The skull was formed of bone to protect the brain.

  

The notochord of early vertebrates was composed of bone.

 

asked Dec 29, 2012 in Biology by anonymous
    

1 Answer

0 votes

 

The bone in early vertebrates formed an exoskeleton that served as protection for the organism.

 

answered Dec 29, 2012 by anonymous

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