Yes, that is one of the things that makes them a mammal.
Marine mammals do not have hair covering their bodies. This includes creatures such as dolphins, dugong, whales, seals and sea lions.
All mammals are covered in either hair/fur.Answer Improved by: -k-Mammals would be covered with hair. Mammals are warm blooded and grow hair on their bodies. Other non-mammal species might grow fur, feathers, or another type of body covering but its not the same as hair.
Reptiles have a water proof skin covered with scales. Mammals have a skin covered in fur or hair.
Most mammals have fur or hair .
Cows are mammals. All mammals have a body covering of skin, fur or hair. In the cow's case, the body covering is skin and hair.
Skin, hair and fur are all the examples of body covering of mammals.
not all of them
mammals because mammals have hair and birds have feathers.
Mammals have a body covering of hair or fur.
hair
Yes.
The body covering of birds is feathers. Mammals are covered in fur or hair.