Study links metabolism to survival in Earth's greatest mass extinction 252 mn years ago
A new study has shed light on the factors that determined survival during Earth's most devastating mass extinction event, which occurred approximately 252 million years ago. Researchers found that an organism's metabolism — specifically how it used oxygen and generated energy — played a key role in whether it survived the crisis. Rising ocean temperatures and falling oxygen levels placed severe stress on less active marine creatures. In contrast, more mobile animals with higher energy demands were better equipped to endure the deteriorating conditions. Scientists note that this ancient ecological shift continues to influence the structure and diversity of ocean ecosystems today.
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