SKU: 25176326825

Extinction: How Life on Earth Nearly Ended 250 Million Years Ago - Updated Edition

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Extinction: How Life on Earth Nearly Ended 250 Million Years Ago - Updated EditionSome 250 million years ago, the earth suffered the greatest biological crisis in its history. Around 95 percent of all living species died out a global catastrophe far greater than the dinosaurs' demise 185 million years later. How this happened remains a mystery. But there are many competing theories. Some blame huge volcanic eruptions that covered an area as large as the continental United States; others argue for sudden changes in ocean levels and

Some 250 million years ago, the earth suffered the greatest biological crisis in its history. Around 95 percent of all living species died out--a global catastrophe far greater than the dinosaurs' demise 185 million years later. How this happened remains a mystery. But there are many competing theories. Some blame huge volcanic eruptions that covered an area as large as the continental United States; others argue for sudden changes in ocean levels and chemistry, including burps of methane gas; and still others cite the impact of an extraterrestrial object, similar to what caused the dinosaurs' extinction.

Extinction is a paleontological mystery story. Here, the world's foremost authority on the subject provides a fascinating overview of the evidence for and against a whole host of hypotheses concerning this cataclysmic event that unfolded at the end of the Permian.

After setting the scene, Erwin introduces the suite of possible perpetrators and the types of evidence paleontologists seek. He then unveils the actual evidence--moving from China, where much of the best evidence is found; to a look at extinction in the oceans; to the extraordinary fossil animals of the Karoo Desert of South Africa. Erwin reviews the evidence for each of the hypotheses before presenting his own view of what happened.

Although full recovery took tens of millions of years, this most massive of mass extinctions was a powerful creative force, setting the stage for the development of the world as we know it today.

In a new preface, Douglas Erwin assesses developments in the field since the book's initial publication.-- "Choice"

Binding Type: Paperback
Publisher: Princeton University Press
Published: 03/22/2015
ISBN: 9780691165653
Pages: 320
Weight: 0.60lbs
Size: 8.50h x 5.40w x 0.80d
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SKU: 25176326825

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Em
Waukegan, US
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This is my 2 year old Golden Retriever's new favorite toy! She was confused, at first, with why the carrot was lumpy, but when she discovered some little bunny ears poking out of the hole, she got excited and got to work. She loves pulling out her "babies," and any other smaller toys we put in there for her. The bunnies have become a favorite toy on their own, too, and she carries them around, and loves to hand them to us and look expectantly while we admire her "baby." <3 She's still young, so has pulled at the carrot quite a bit, but hasn't destroyed it. I'm pleasantly surprised by the durability so far!
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Grantham, US
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Great value for my pups
Perfect for my pups who love to unstuff things and make a mess. These are perfect and have not come apart! Fun colors and cute ! Great value for cost!
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Linda Ballerstein
San Leandro, US
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Plush Chew Toy
Our very strong chewer shitzu loves this toy and it has lasted thru her lovin' several days now.. with no rips or tears! She loves the different textures... A good buy!
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Reviewed in the United States on March 24, 2026
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Roger Springer
Louisville, US
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Her new best friend ♥️!
It was a big hit, our dog Betty loves it!!!
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Oney
Battle Creek, US
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Cute but not durable
Cute but my maltippo just ripped apart in 2 days
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