Question

Platypus or echidna is ask group that forms ask link between reptiles and mammals think and write about some characterstic features that these would have

Answer 1

See platypus and echidna are mammals but they lay eggs and they are the exceptions

Answer 2

yeah they do as platypus is oviparous and shows the prescence of mammary glands..to nourish the young ones. they are the only oviparous mammals.