Which one of the following pairs of animals comprises "Jawless fishes"
Which one of the following pairs of animals comprises "Jawless fishes"
A. Lampreys and eels
B. Mackerals and rohu
C. Lampreys and hag fishes
D. Guppies and hag fishes
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Correct Answer - C
Lampreys and Myxine (has fish) belong to the class-Cyclostomata, group-Agnatha of Vertebrata. Agnatha have mouth without jaws. In these, mouth is ventral, suctorial and circular.
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