One of the following set of characters is definitely found at some stage in the life…
Biology · NEET · NTA Exams — Animal Kingdom
One of the following set of characters is definitely found at some stage in the life cycle of a chordate:
- mammary glands, hair, gill cleft
- notochord, gill-cleft, dorsal tubular nervous system
- notochord, vertebral column, gill-cleft
- dorsal tubular nervous system, vertebral column, scales
Answer
(B) notochord, gill-cleft, dorsal tubular nervous system
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