well mammals have fur and have warm blood like us humans if you dont have hair or warm blood than there is something wrong with you or it means you are turning into a reptile because reptiles have no hair and have cold blood , simple as .
Mammals are warm blooded; reptiles are colblooded.
All mammls have hair on their body (including humans); while reptiles usually have scales.
Mammals are born live (WITH! the exception of the...
well reptiles are cold blooded and mammals are warm blooded. Most reptiles develop in eggs and mammals (except monotremes) don't. ☻ Reptiles are covered with scales; mammals are covered in (or at...
Mammals give live birth to their babies; but reptiles lay eggs and their babies later hatch out of the egg.Actually, reptiles can also give birth to neonates - not just eggs. Such as boa's.