AP BIOLOGY

Detailed explanation-1: -Hair (and a coat of hairs, called fur or pelage) is uniquely mammalian. No other creature possesses true hair, and at least some hair is found on all mammals at some time during their lives. Hairs grow out of pits in the skin called follicles.

Detailed explanation-2: -All mammals have hair. It is one of their defining biological characteristics.

Detailed explanation-3: -A: All mammals have hair-dogs, cats, foxes, pigs, gerbils, horses, and people. Even dolphins have a few whiskers early in their lives. Scientifically speaking, there’s no difference between hair and fur. “This is all the same material, ” Dr.

Detailed explanation-4: -Most mammals have brownish fur and lack the bright colours seen in many birds. However, some mammals have coloured patterns to help them blend in with their background. This is called camouflage. Sea otters have the thickest fur of all mammals.

Detailed explanation-5: -Hair is important to mammals for several reasons. They use its form and color patterns for displays and camouflage; they use it for its insulating properties, for self-defense, and even as a sensory organ.