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Sauron [17]
3 years ago
9

according to the theory of evolution, birds feathers evolved from: a) reptiles scales b) fish fins c) gill slits d) gill arches

Biology
1 answer:
Ksju [112]3 years ago
5 0
Reptile scales! Or, more specifically, reptiles descended from dinosaurs. 
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Answer:

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Explanation:

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