Thread: Hmm... 140 million years ago, huh?
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Old Oct 15, 2005, 10:58 pm   #7 (permalink) (top)
LetThereBe
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Quote:
Quote by: PatrickHenry
I believe that the speculation is now that certain types of dinosaurs were thermoregulators...
http://en.wikipedia.org/wiki/Thermoregulation
Very interesting, I had never heard that. Does that mean my definition of reptiles is out of date?

It is just.
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