All chorcldates at hone or the other stage possessA. vertrbral columnB – InterviewSolution

InterviewSolution

1.	All chorcldates at hone or the other stage possessA. vertrbral columnB. phartngeal gills - slitsC. two pairs of pentadactyle limbD. a movable jaw
Answer» Correct Answer - B In mostly cartilagenous fishes caudal fins (Tail fins) from tow unequal lobe, which act as steering organ in locomotion.

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