complete the text about mammals using the words below
lay eggs , omnivores, expel, echidna
Mammals can be carnivals herbivores or ________
Mammals breath using their lungs for example whale take in and _____ air through their blowhole when they come to the surface of the water. almost all mammals are viviparous. mammals that______ are called monotremes. The platypus and the __________ are examples of monotremes