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Give scientific reasons. All vertebrates are chordates but all chordates are not vertebrates. Select the correct answer from above options Science questions and answers, Science questions pdf, Science question bank, Science questions and answers pdf, mcq on Science pdf,Science book pdf,Science pdf notes,Science lecture notes,Science of light,maxwell Science,Science proposed by,electromagnetic theory engineering physics,Science nptel

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All chordates possess notochord in some period of their development. All vertebrates also have notochord during embryonic life, which is later replaced by vertebral column. Therefore all vertebrates are chordates. But some chrodate’s like Urochordata and cephalochordata do not possess vertebral column and hence they are not vertebrates.

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