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Study says 2 5 billion T rex roamed Earth

Study says 2.5 billion T. rex roamed Earth Population existed over a couple million years By SETH BORENSTEIN, Associated Press Published: April 20, 2021, 6:00am Share: Life-sized Tyrannosaurus rex models are unloaded for a dinosaur exhibition in 2006 in Potsdam, Germany. A study released on Thursday calculates that 2.5 billion Tyrannosaurus rex prowled North America over a couple million years or so, with maybe 20,000 at any given time. (Sven Kaestner/Associated Press) 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.

Scientists Estimate All-time T Rex Population Was 2 5 Billion

Scientists Estimate All-time T. Rex Population Was 2.5 Billion The URL has been copied to your clipboard 0:00 0:05:25 0:00 Pop-out player A new study suggests that up to 2.5 billion Tyrannosaurus Rex dinosaurs lived on Earth over a period of a few million years. However, the research shows that not many of these powerful creatures lived in the same place at the same time. Tyrannosaurus Rex, commonly known as T. rex, existed on Earth for millions of years. Scientists involved in the study estimate about 2.5 billion of them lived over a period of 2.4 million years. The dinosaurs mostly lived in the area of the world now known as North America.

Study: 2 5 billion Tyrannosaurus rex roamed Earth, but not all at once

0 shares In this Tuesday, March 7, 2006 file photo, life-sized Tyrannosaurus rex models are unloaded for a dinosaur exhibition in Potsdam, Germany. (AP Photo/Sven Kaestner) AP 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.

Study: 2 5B T rex roamed Earth, but not all at once | News, Sports, Jobs

The Associated Press FILE - In this Tuesday, March 7, 2006 file photo, life-sized Tyrannosaurus rex models are unloaded for a dinosaur exhibition in Potsdam, Germany. A study released on Thursday, April 15, 2021 calculates that 2.5 billion Tyrannosaurus rex prowled North America over a couple million years or so, with maybe 20,000 at any given time. (AP Photo/Sven Kaestner) 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.

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