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New Research Explores Cause of End-Ordovician Mass Extinction – Sci-News.com – Burnie Online News
The end-Ordovician mass extinction, the first of the ‘Big Five’ mass extinctions occurred 445 million years ago and was characterized……
The end-Ordovician mass extinction, the first of the Big Five mass extinctions occurred 445 million years ago and was characterized by the disappearance of 85% of marine species. In new research, a team of scientists from the United States, Canada, China,……
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