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Q.
In which of the following, notochord is present in embryonic stage:-
AIPMTAIPMT 2002Animal Kingdom
Solution:
The 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 a vertebral column in adults.
Vertebrates come under the category of chordate.
Non-chordates do not have notochord.