Answer:
Most feathers are used for a number of functions for a bird: 1) They provide insulation, body temperature of most birds is maintained at around 40 C; 2) Feathers allow for flight; 3) Feathers control what a bird looks like by supplying the bird with colors. Animals scales can be used to protect them, be used to help the animal climb up stuff such as hills, as well as stop moisture from leaving the body.
Step-by-step explanation: