One of these animals is prototheria:
Correct answer: B. Spiny ant eater
- A. Alligator
- B. Spiny ant eater
- C. Penguin
- D. Porcupine
Explanation
Prototheria is a subclass of mammals that lay eggs. The only living members of Prototheria are the platypus and two species of echidna, also known as spiny anteaters.
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