NEET 2017 Biology question

An important characteristic that Hemichordates share with Chordates is

(1)Absence of notochord
(2)Ventral tubular nerve cord
(3)Pharynx with gill slitsCorrect
(4)Pharynx without gill slits

Answer: (3)

Solution

Hemichordates and chordates both possess pharyngeal gill slits. Notochord is absent in hemichordates (a stomochord is present in the collar region) and the absence of notochord is not a shared character. The nerve cord

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Question ID VK-092174