A) All chordates
B) Some chordates
C) Vertebrates
D) Non-chordates
Correct Answer: A
Solution :
[a] Notochord is the primary axial supportive structure present in all chordate embryos-as well as in many adults. In a vast majority, it is replaced by vertebral column in adults. Vertebrates come under the category of chordate. Non chordates do not contain notochord.You need to login to perform this action.
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