How Dinosaurs Took Flight

How Dinosaurs Took Flight pdf epub mobi txt 电子书 下载 2025

出版者:Natl Geographic Soc Childrens books
作者:Sloan, Christopher
出品人:
页数:64
译者:
出版时间:2005-10
价格:CDN$ 38.50
装帧:LIB
isbn号码:9780792274049
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How did dinosaurs get feathers? How did they start flying? What use were feathers to dinosaurs that didn't fly? Chris Sloan's 2000 book Feathered Dinosaurs introduced kids to the radical idea that some dinosaurs had feathers and that birds are, in fact, a subset of dinosaurs. In How Dinosaurs Took Flight, Sloan returns to these ancient feathered creatures to introduce kids to the fascinating new finds—including a Tyrannosaur with feathers and a dinosaur with not just two but four wings. The author focuses on the tough new questions scientists are asking right now, the evidence they've gathered, the hypotheses that are developing from the evidence, and the unknowns that remain. This book will be the most up-to-date children's book on this topic on the market.

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