Rapid fluctuations in oxygen levels coincided with Earth's first mass extinction

Rapid fluctuations in oxygen levels coincided with Earth's first mass extinction
Rapid changes in marine oxygen levels may have played a significant role in driving Earth's first mass extinction, according to a new study led by Florida State University researchers. About 443 million years ago, life on Earth was undergoing the…

Published January 10, 2023 at 07:03AM
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