What type of scales are present in Cyclostoma | vedclass

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Question

(D) The class $Cyclostomata$ includes jawless vertebrates such as lampreys and hagfish.These organisms are characterized by an elongated body bearing

Vedclass · Accepted Answer

Scales are absent

Vedclass · Answer

(D) The class $Cyclostomata$ includes jawless vertebrates such as lampreys and hagfish.These organisms are characterized by an elongated body bearing $6-15$ pairs of gill slits for respiration.They have a sucking and circular mouth without jaws.Their body is devoid of scales and paired fins.Therefore,the correct answer is that scales are absent in $Cyclostomata$.

What type of scales are present in $Cyclostomata$?

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