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

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Robert T. Bakker（罗伯特·T·巴克）著，Michael Skrepnick（迈克尔·斯克莱普尼克）绘

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出版社： Random House Books for Young Readers

ISBN：9780375823039

商品编码：19032054

包装：平装

丛书名： Step Into Reading

出版时间：2003-07-04

用纸：胶版纸

页数：48

正文语种：英文

商品尺寸：15.24x0.51x22.86cm;0.11kg

具体描述

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.