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Obra em rodovia descobre fósseis de dinossauros no interior de São Paulo
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Study: 2 5 billion T rex used to roam the Earth, but not all at once
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Study: About 2 5 billion Tyrannosaurus rex roamed the Earth, but not at once
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Study finds about 2 5 billion T Rex roamed Earth but not at once: That s a lot of jaws
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T. rex population estimate had scientists doing a double-take
While all 2.5 billion T. rex didn t roam Earth all at once, the study found at any moment there were maybe 20,000 or so alive.which is still a lot to deal with. Author: SETH BORENSTEIN (AP Science Writer) Published: 1:29 PM CDT April 15, 2021 Updated: 1:45 PM CDT April 15, 2021
One Tyrannosaurus rex seems scary enough. Now picture 2.5 billion of them. That’s how many of the fierce dinosaur king probably roamed Earth over the course of a couple million years, a new study finds.
Using calculations based on body size, sexual maturity and the creatures energy needs, a team at the University of California, Berkeley figured out just how many T. rex lived over 127,000 generations, according to a study in Thursday’s journal Science. It’s a first-of-its-kind number, but just an estimate with a margin of error that is the size of a T. rex.