Biology, asked by TjCR1580, 1 year ago

Is echidna serves as connecting link between reptilia and mammalia classed

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Answered by laxmi1783

Answer:

Echidnas are lay eggs (like reptiles), but they produce milk (hence the mammary in mammal), are warm blooded, and have hair. Thus, the echidna (as well as the platypus) is a primitive mammal, unlike placental mammals that are advanced mammals

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