Shell of egg is leathery in appearance in which of the following?
Correct answer: B. Prototherians
- A. Amphibians
- B. Prototherians
- C. Birds
- D. Reptiles
Explanation
Prototherians (monotremes) lay eggs with a leathery appearance. The eggs of monotremes like the platypus and echidna have a soft, leathery shell that provides protection and allows gas exchange.
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