Metabolism Key to Survival in Earth's Greatest Mass Extinction, New Study Finds

Paleontology

15 July 2026 at 1:19 am

Metabolism Key to Survival in Earth's Greatest Mass Extinction, New Study Finds

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Summary

A new study suggests that an organism's metabolism and oxygen use determined survival during Earth's greatest marine extinction event 252 million years ago. Warming oceans and declining oxygen levels stressed less active ancient marine life, while more mobile animals with higher energy demands better survived.

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