Name the vertebrates which are without jaws.
Correct answer: B. Cyclostomata
- A. Osteichthyes
- B. Cyclostomata
- C. Chondrichthyes
- D. None of these
Explanation
Cyclostomi, often referred to as Cyclostomata, is a group of vertebrates that comprises the living jawless fishes: the lampreys and hagfishes.
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