CAMBRIAN EXPLOSION PDF Download

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CAMBRIAN EXPLOSION

CAMBRIAN EXPLOSION PDF Author: D Erwin
Publisher: Bedford
ISBN: 9781936221035
Category : Education
Languages : en
Pages : 0

Book Description
The Cambrian Period records one of the most extraordinary transitions in the history of life. Although animals may have first appeared nearly 700 million years ago, with the earliest sponges, their initial diversifications appear to have been modest until a richly diverse fossil fauna appeared abruptly about 170 million years later. In The Cambrian Explosion, Erwin and Valentine synthesize research from many fields to explain why there was such remarkable novelty of animal forms.