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BIOLOGY
Choose the correct statement....

Choose the correct statement.

A

All mammals are viviparous

B

All cyclostomes do not possess jaws and paired fins

C

All reptiles have a three-chambered heart

D

All Pisces have gills covered by an operculum

Text Solution

Verified by Experts

The correct Answer is:
B

Cyclostomata is a class belonging to group I-Agnatha of subphylum-Vertebratta. It is paraphyletic superclass of jawelless fishes. They lack parired fins too.
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