Maybe Dinosaurs Were A Cold-Blooded, Warm-Blooded Mix

June 12, 2014 6:04 PM

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Maybe Dinosaurs Were A Cold-Blooded, Warm-Blooded Mix

hide captionBeing a bit cold-blooded has its charms, scientists say. A mammal the size of a T. rex, for example, would have to eat constantly to feed its supercharged metabolism — and would probably starve.

If you go to a zoo on a cold day and watch the snakes, you'll see what it means to be cold-blooded. Not much action going on — most reptiles and other cold-blooded creatures take on the temperature of their surroundings, so tend to be most sluggish when the outside temperature is cool. The monkeys, ...

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