Science
End-Permian Extinction Triggered Switch to Warm-Bloodedness | Paleontology – Sci-News.com
The ancestors of both mammals and birds became warm-blooded at the same time, some 250 million years ago, in the time of the end-Permian mass extinction, accord…
The ancestors of both mammals and birds became warm-blooded at the same time, some 250 million years ago, in the time of the end-Permian mass extinction, according to new research from the University of Bristol.
Posture shift at the end of the Permian period, 252 million years ago. Before the crisis, most reptiles had sprawling posture; afterwards they walked upright. This may have been the first sign of a new pace of life in the Triassic. Image credit: Jim Robins, University of Bristol.
The e…
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