Dinosaurs Are Different 在线电子书 图书标签:
发表于2024-11-26
Dinosaurs Are Different 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024
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How can you tell dinosaurs apart? You can learn a lot about dinosaurs by looking at their bones. Some dinosaurs were very small; others were huge. Some had sharp, pointy teeth for eating meat; most plant-eaters had flat, dull teeth. Some dinosaurs' hipbones pointed forward, while other dinosaurs' hipbones pointed backward. There were dinosaurs with bony armor on their backs and others with deadly horns on their heads. Today scientists have divided dinosaurs into separate orders according to their special characteristics. It's easy to see--dinosaurs are different.
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Dinosaurs Are Different 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024