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Maroc Maroc - KNOWRIDGE.COM - A La Une - 21/Mar 10:23

From dinosaurs to chickens: How feathers first evolved

Feathers are one of the most complex features found on animals, but where did they come from? Scientists now believe that feathers didn’t just appear suddenly in birds. Instead, they evolved step by step from much simpler structures called proto-feathers, which first appeared in some dinosaurs about 200 million years ago. Proto-feathers were tiny, tube-shaped […] The post From dinosaurs to chickens: How feathers first evolved appeared first on Knowridge Science Report.

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