Answer :

Jaky
5 things mammals have in common  is  All Mammals Have Lungs And Breathe Dry Air  .All Mammals Have Some Fur Or Hair On Their BodyAll Mammals Are Warm-bloodedAll Mammals Have Bones Including A Backbones




Vincenzo2001
1)they all have hair 2)they don't lay eggs 3) they breath air 4)they can't fly 5)