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Dinosaurs replace their teeth throughout their life. And T. rex replaced all of their teeth every year.

Jack Horner

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Jack Horner
Age: 78
Born: 1946
Born: June 15
Geologist
Herpetologist
Paleontologist
Pathologist
Scientist
Shelby
Montana
John R. Horner
John Horner
John Robert Horner
J. R. Horner
J.R. Horner
Life
Dinosaurs
Replace
Replaced
Throughout
Teeth
Year
Every
Years

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I'm trying to figure out the biology of dinosaurs and what they were like as living creatures.
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