All of the following have no swim bladder except:
Correct answer: C. Osteichthyes
- A. Cyclostomes
- B. Chondrichthyes
- C. Osteichthyes
- D. Amphibians
Explanation
Osteichthyes, which include bony fish, do have a swim bladder. The swim bladder is a gas-filled sac that helps fish to control their buoyancy and maintain their position in the water column.
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