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Footprints of Fallen Giants - Pathways to Extinction in North American History
Clay Sherrod
出版Lulu.com, 2016-08-26
主題History / General
ISBN13653499189781365349911
URLhttp://books.google.com.hk/books?id=1rYCDQAAQBAJ&hl=&source=gbs_api
EBookSAMPLE
註釋Footprints is about an evolution revolution, the non-living world to the living tiny organisms of earliest Earth. each striving to have enough precious time to evolve so they might survive long enough to resist the effects of a changing world. And, yes - it is a story about Dinosaurs. But the story - being about evolution - has an unhappy ending for the great Dinosaurs of the Cretaceous. For what is surely natural reasons, as well as self-imposed doom by the creatures themselves, they fell fate to Extinction - just had many plants and animals had almost 200 million years earlier. This is not just the story of Dinosaurs and their extinction: all of the biological world is subject to - and ultimately succumbs to - demise through the processes of environment and nature. Today the possibilities of extinction are greatest because of the introduction of the newest form of life on Earth - humans - who have the capability of altering an otherwise natural progression of this world we live on.