[BOOKS] ✸ Extinction: How Life on Earth Nearly Ended 250 Million Years Ago By Douglas H. Erwin – Natus-physiotherapy.co.uk Some million years ago, the earth suffered the greatest biological crisis in its history Around % of all living species died out a global catastrophe far greater than the dinosaurs demise million ye Somemillion years ago, the earth suffered the greatest Life on Kindle Ò biological crisis in its history Around % of all living species died out a global catastrophe far greater than the dinosaurs demisemillion years ago How this happened remains Extinction: How Epub / 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 How Life on MOBI ó 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 Extinction: How Life on Earth Nearly Ended 250 Million 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 Choice.
- Manage My Emotions: What I Wish I'd Learned in School about Anger, Fear and Love
- The Hope Handbook
- The Richest Man in Babylon
- How to Find A Job: When There Are No Jobs A Necessary Job Search and Career Planning Guide for Today's Job Market
- It's a Happy Life: Keys to Successful Enjoyable Living
- How to Thrive in the 21st Century - By Avoiding Porn and Other Distractions
- You are Beautiful