Question

which one of the following is egg laying mammal
1) platypus 2) kangaroo
3) Reptiles. 4)mollusea ​

Answer 1

Answer:

platypus

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Answer 2

Answer:

Organisms that give rise to young ones are called viviparous and organisms that lays egg are called oviparous. Mammals generally give birth to young ones. Oviparous mammal is platypus and echidna.

So, the correct answer is 'Platypus'.