Fur and mammary glands (in females).
Two notable features that mammals have in common are that they all give birth to live young and they all have hair. Another thing that most mammals have in common is that the females make milk to feed their young.
First, our spines make us vertebrates. Giving live birth, and female milk glands are two features that make us mammals.
mammory glands and hair
All mammals have hair and nourish their young with milk.
They are warm-blooded and mothers make milk for thie young. All mammals have fur somewhere on their bodies, and the females of all mammal species have mammary glands with which they feed their young with milk. These are the two defining features of mammals. Most mammals give birth to live young, but the five species of monotremes (which have the above two characteristics) lay eggs instead.
elepant and rat have the most bones.
Most mammals have four legs, a few have only two.
Yes, they are placental mammals. Most mammals are placental. The other two options are marsupial mammals (mammals with a pouch) and monotreme mammals (mammals that lay eggs).
yes and walk on two feet
Most mammals use sight and sound more often than any other sense.
mammals Two toed.
There are probably others, but the two most notable are gills and a tail.