Mammals have hair and they give milk to their babies.
Oh yes - monotremes are mammals, which means that they have hair (which is unique to mammals) and also nurse their young from mammary glands. Monotremes do lay soft, rubbery eggs, which is a behavior that is unique among mammals but they are strictly mammals regardless.
they are warm blooded
Humans are very unique among all the numerous mammals. So far, we have evolved and adapted the most. Hope this helped! :)
No. The uterus is a body part unique to mammals.
They are the only true flying mammals.
All mammals have unique fingerprints.
I believe they one of the few venomous mammals.
They have hair o fur are endothermic have mammary glands
Yes. One characteristic unique to mammals is mammary glands. They are glands that secrete milk.
No. Koalas do not lay eggs, Koalas are mammals, specifically marsupials. Marsupials are pouched mammals, not egg-laying mammals. Mammals give birth to live young, with the exception of monotremes, i.e. platypuses and echidnas, which are also unique to Australia.
The unique traits that helped mammals survive are called adaptations. Some of their adaptations include their hair, mammary glands, and three specialized middle-ear bones.