Extinction 在线电子书 图书标签: 演化 古生物 生物学 Evolution
发表于2024-11-22
Extinction 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024
In the geological record, there are five major mass extinctions-the "Big Five." The most famous happened at the end of the Cretaceous Period, when the dinosaurs and two-thirds of all marine animal species were wiped out, opening the door for the age of mammals and the rise of Homo Sapiens. Using this example as a springboard, David M. Raup leaps into an egaging discussion of the theories, assumptions, and difficulties associated with the science of species extinction. Woven is along the way are stories of the trilobite eye, tropical reefs, flying reptiles, and the fate of the heath hen on Martha's Vineyard, a very modern extinction.
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Extinction 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024