Class elasmobranch have an exoskeleton of
Correct answer: A. Placoid scales
- A. Placoid scales
- B. Cycloid scales
- C. Ctenoid scales
- D. Ganoid scales
Explanation
This is the correct answer. Elasmobranchs, which include sharks, rays, and skates, have a unique type of exoskeleton called placoid scales. These scales are small, tooth-like structures embedded in the skin, providing protection and streamlining the body for swimming.
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