Question

What role have feathers played in the evolution of external structures and locomotion in birds? ​

Answer 1

Answer:

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Explanation:

Feathers perform 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.

Answer 2

Answer:

They evolved before birds and even before avian flight. Thus, early feathers functioned in thermal insulation, communication, or water repellency, but not in aerodynamics and flight. Among extinct life-forms, feathers are no longer considered a unique Explanation:

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