In which of the following are jaws found?

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(B) On the basis of the presence or absence of jaws,the subphylum Vertebrata is classified into two divisions: Agnatha (jawless) and Gnathostomata (ja

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Fish

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(B) On the basis of the presence or absence of jaws,the subphylum Vertebrata is classified into two divisions: Agnatha (jawless) and Gnathostomata (jawed). $Agnatha$ includes primitive vertebrates like $Petromyzon$ (lamprey) which lack true jaws. $Gnathostomata$ includes all vertebrates that possess true jaws,such as $Fish$,amphibians,reptiles,birds,and mammals. Therefore,among the given options,$Fish$ belong to the division $Gnathostomata$ and possess jaws.

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