Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYAnimal Kingdom1 Mark
Question
Which group of chordates possess sucking and circular mouth without jaws?
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Answer
Class-Cyclostomata is comprised of, the living jawless fishes. Their mouth is circular and lack jaws; hence they are also called agnathans. It works like a sucker and is surrounded by tentacles (e.g., lampreys and hellish). These also press retractable horny teeth.
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