Gigantic Prehistoric Dragonfly-Like Insects May Not Owe Their Size to Oxygen: Study

Long thought to be fueled by increased atmospheric oxygen concentration, enormous griffinflies from the Carboniferous period, 300 million years ago, may have grown large for other reasons.
The post Gigantic Prehistoric Dragonfly-Like Insects May Not Owe Their Size to Oxygen: Study appeared first on Sci.News: Breaking Science News.
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