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Extinction and Radiation

How the Fall of Dinosaurs Led to the Rise of Mammals

Автор: J. David Archibald

Език:

Корици: С твърди корици

Издател: Johns Hopkins University Press

Наличност: Външен склад в ограничено количество

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In the geological blink of an eye, mammals moved from an obscure group of vertebrates into a class o...

Информация за книгата

Автор

J. David Archibald

Език

Английски език

Корици

Книга - С твърди корици

Издадена

2011

страници

120

EAN

9780801898051

ISBN

0801898056

Enbook ID

04710403

Издател

Johns Hopkins University Press

Теглоt

594

Размери

223 x 285 x 14

Пълно описание

In the geological blink of an eye, mammals moved from an obscure group of vertebrates into a class of planetary dominance. Why? J. David Archibald's provocative study identifies the fall of dinosaurs as the factor that allowed mammals to evolve into the dominant tetrapod form. Archibald refutes the widely accepted single-cause impact theory for dinosaur extinction. He demonstrates that multiple factors-massive volcanic eruptions, loss of shallow seas, and extraterrestrial impact-likely led to their demise. While their avian relatives ultimately survived and thrived, terrestrial dinosaurs did not. Taking their place as the dominant land and sea tetrapods were mammals, whose radiation was explosive following nonavian dinosaur extinction. Archibald argues that because of dinosaurs, Mesozoic mammals changed relatively slowly for 145 million years compared to the prodigious Cenozoic radiation that followed. Finally out from under the shadow of the giant reptiles, Cenozoic mammals evolved into the forms we recognize today in a mere ten million years after dinosaur extinction. Extinction and Radiation is the first book to convincingly link the rise of mammals with the fall of dinosaurs. Piecing together evidence from both molecular biology and the fossil record, Archibald shows how science is edging closer to understanding exactly what happened during the mass extinctions near the K/T boundary and the radiation that followed.

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Extinction and Radiation

How the Fall of Dinosaurs Led to the Rise of Mammals

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