Moontanman Posted May 26, 2010 Report Posted May 26, 2010 Were Dinosaurs Warm Or Cold-Blooded? First Method for Directly Measuring Body Temperatures of Extinct Vertebrates ScienceDaily (May 25, 2010) — Was Tyrannosaurus rex cold-blooded? Did birds regulate their body temperatures before or after they began to grow feathers? Why would evolution favor warm-bloodedness when it has such a high energy cost? Were dinosaurs warm- or cold-blooded? First method for directly measuring body temperatures of extinct vertebrates Quote
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