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almudenapaola248
Most mammals have fur or hair to help keep them warm and protect them from the Sun's rays. Birds have feathers instead of fur. ... Their feathers also protect them from water and temperature changes. Reptiles have tough skin covered by rigid scales for protection and to prevent dehydration.
jordansawalha

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.

Explanation:

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