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ptolemy2.wordpress.com
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| | | | | Phil Salmon Abstract The End-Permian-Triassic extinction (EPTE) is the largest mass extinction in the history of the Phanerozoic - the period of time after the Cambrian 540 million years ago in which multicellular (metazoan) lifeforms have covered the earth. As many as 90% of all metazoan species on land and sea became extinct in this... | |
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news.berkeley.edu
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| | | | | Lava fountaining above the volcanic fissure of the Holuhraun flood lava eruption in Iceland in September 2014, a small-scale analog to the eruptions in the Deccan Traps, 66 million years ago. (Photo credit: Michelle Parks, University of Iceland) Mass ... | |
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www.nationalgeographic.com
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| | | | | The largest non-human genome study ever assembled reveals surprises about domesticated horses-and a warning. | |
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www.livescience.com
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| | | Coral reefs are large underwater structures composed of the skeletons of coral, which are marine invertebrate animals. Corals are found all over the world's oceans. | ||