All mammals are vertebrates

What do these animals have in common?More than you might think.Along with over 5,000 other species,they're mammals,or members of class mammalia.All mammals are vertebrates,meaning they have backbones.But mammals are distinguished from other vertebrates
by a number of shared features.That includes warm blood,body hair or fur,the ability to breathe using lungs,and nourishing their young with milk.