Question

platypus and echidna oviparous or viviparous ?​

Answer 1

Answer:

In the case of platypus it is the only mammal which gives both milk and egg as it is also called as semi - aquatic egg laying mammal , but in the place of echidna it is called as *infra class prototheria under the class mamelia* because it is simlar to the human as it is having 4 chambered heart and having mammary gland so because of its nature of laying eggs it is called oviparous

*hope it is helpful*

Answer 2

Answer:

monotremes

Explanation: Echidnas are monotremes, egg-laying mammals. The only other living monotreme is the platypus.

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