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inquisitivebiologist.com | ||
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ptolemy2.wordpress.com
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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www.timboucher.ca
[AI summary] The article discusses the end-Permian mass extinction, which led to a five-million-year dead zone with extreme environmental conditions and the collapse of ecosystems. |
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science.nasa.gov
A quarter to half of Earth's vegetated lands has shown significant greening over the last 35 years largely due to rising levels of atmospheric carbon dioxide. |
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new.nsf.gov
This page provides information about the Presidential Early Career Awards for Scientists and Engineers. |
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