Sir 7/10 Yrs: Raptor Pack Level-5 [平装] [7岁及以上] 下载 mobi epub pdf 电子书 2025

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内容简介

Paleontologist Robert T. Bakker tells the amazing story of a day in the life of a pack of Deinonychus dinosaurs. Readers follow the creatures as they single out, kill, and devour an injured tenontosaur; climb up into a tree; fall asleep; and are themselves stalked by a giant predator. Includes an explanation of how scientists study rocks and minerals; fossil roots, claws, teeth, and bones; and modern predators to understand raptor behavior.

作者简介

Robert T. Bakker (born March 24, 1945) is an American paleontologist who helped reshape modern theories about dinosaurs, particularly by adding support to the theory that some dinosaurs were endothermic (warm-blooded). Along with his mentor John Ostrom, Bakker was responsible for initiating the ongoing "dinosaur renaissance" in paleontological studies, beginning with Bakker's article "Dinosaur Renaissance" in Scientific American, April 1975. His special field is the ecological context and behavior of dinosaurs.

Bakker has been a major proponent of the theory that dinosaurs were "warm-blooded", smart, fast, and adaptable. He published his first paper on dinosaur endothermy in 1968. His seminal work, The Dinosaur Heresies, was published in 1986. He revealed the first evidence of parental care at nesting sites for Allosaurus. Bakker was among the advisors for the film Jurassic Park and for the 1992 PBS series, The Dinosaurs. He also observed evidence in support of Eldredge's and Gould's theory of punctuated equilibrium in dinosaur populations. Bakker currently serves as the Curator of Paleontology for the Houston Museum of Natural Science.

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Sir 7/10 Yrs: Raptor Pack Level-5 [平装] [7岁及以上] 下载 mobi epub pdf txt 电子书 格式

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分级阅读，第5级了。读书不仅对我们的学习有着重要作用，对道德素质和思想意识也有重大影响。“一本好书，可以影响人的一生。”这句话是有道理的。我们都有自己心中的英雄或学习的榜样，如军人、科学家、老师、英雄人物等。这些令我们崇拜或学习和模仿的楷模，也可以通过阅读各类书籍所认识。我们在进行阅读时，会潜意识地将自己的思想和行为与书中所描述的人物形象进行比较，无形中就提高了自身的思想意识和道德素质。

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看起来不错，一直在用这个牌子

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这一套都不错

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给孩子囤货的，质量不错。

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看起来不错，一直在用这个牌子

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