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inquisitivebiologist.com | ||
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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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www.newscientist.com
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| | | | | The story of evolution spans over 3 billion years and shows how microscopic single-celled organisms transformed Earth and gave rise to complex organisms like animals | |
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www.timboucher.ca
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| | | | | [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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www.fda.gov
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| | | In this intensive course, attendees will learn FDA regulations, ethical considerations, and the scientific principles to help them understand what is important when conducting clinical trials and preparing a submission for FDA review. | ||