InezSkoczylas97 InezSkoczylas97

12-09-2015
Geography

contestada

According to the theory of evolution, birds' feathers evolved from.
a. reptile scales
b. gill slits.
c. fish fins.
d. gill arches.

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HistoryGuy HistoryGuy

17-09-2015

According to the theory of evolution, birds' feathers evolved from "reptile scales"--specifically the scales of dinosaurs if one search far enough back in time, which seems counterintuitive because scales are so hard.

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