Question

Though echidna and platypus are eggs lay they are considered as mammals why?

Answer 1

due to presence of either hairs or mammary glands

Answer 2

$\huge{HOLA!}$

$\huge \bold{ANSWER}$

Echidna and platypus belong to the order Monotremata of Mammalia.These are only egg laying mammals. Monotremes possess mammalian features. Like mammals, monotremes are warm blooded animals whose body is covered with fur.They also nourish their young with milk.

$\huge{Be \:Brainly}$ ❤️