"Hair" and "fur" are synonyms, and are found on all mammals.
No, wood turtles do not have fur or hair, as they are not mammals.
not all of them
No, It is keratin, That is what all hair on mammals is made of.
All mammals that exist today have some kind of hair or fur. That includes mammals that live in the sea like dolphins and whales.
yes
Fur or hair.
Humans are mammals; we have hair all over.
No, all mammals have some form of hair or fur on their bodies at some point in their development. Hair is a defining characteristic of mammals and plays important roles in insulation, protection, and sensation.
Yes.
All animals that aren't mammals.
The answer is yes. All mammals have some hair or fur, even if it's only a small amount in their nostrils like dolphins. Even so called hairless animals such as the Mexican dog and the hairless cat aren't actually hairless.