Polar dinosaurs had bone tissue similar to those elsewhere on the planet
, Had bone tissue very similar to dinosaurs that lived everywhere on the planet.That surprising fact falsifies a 13-year-old study and may help explain why dinosaurs were able to dominate the planet for 160 million years, said Holly Woodward, MSU graduate student in the Department of Earth Sciences and co-author of the study.
“If we were trying to find evidence of dinosaurs doing something much different physiologically, we would expect it to be found in dinosaurs from an extreme environment such as the South Pole,” Woodward said.
“But based on bone tissues, dinosaurs living within the Antarctic Circle were physiologically similar to dinosaurs living everywhere else.
“This tells us something very interesting; that basically from the very start, early dinosaurs, or even the ancestors of dinosaurs, evolved a physiology that allowed an entire group of animals to successfully exploit a multitude of environmental conditions for millions of years,” Woodward added.
Jack Horner, Woodward”s adviser and Regents Professor of Paleontology at MSU’s Museum of the Rockies, said Woodward’s findings are consistent with other results from the museum’s histology lab.
“I think the most important finding is that polar dinosaurs don’t seem to be any different than any other dinosaurs in respect to how their bones grew,” Horner said.
“Dinosaurs have annual growth lines and those that don’t have them are simply not yet a year old,” he stated.
The study was published August 3 in the journal PLoS ONE.
the dog and the bone author - News
A doctoral candidate at Montana State University has found that dog-sized dinosaurs that lived near the South Pole, sometimes in the dark for months at a time, had bone tissue very similar to dinosaurs that lived everywhere on the planet.
Schuchert, C. and LeVene, C. 1940. OC Marsh: Pioneer in Paleontology. Yale University Press: New Haven. pp. 42-66 Brian Switek is a freelance science writer and a research associate at the New Jersey State Museum. He is also author of the book Written
in the Department of Earth Sciences and co-author of a paper published Aug. 3 in the journal “PLoS ONE.” “But based on bone tissues, dinosaurs living within the Antarctic Circle were physiologically similar to dinosaurs living everywhere else.
The hellish heat has left its entire reservoir dry as a bone. Community leaders are considering trucking water in from elsewhere or laying a 12-mile pipeline to connect to water in a nearby town. Get ready for more of the same, environmentalists say.
Other adventures include a full-size Dog-OPoly board game, kids' games, food, a dog wash and the fourth annual New Jersey State Dog Bone Stacking contest for humans. Prizes and donations are given at the event, and every preregistered dog owner will
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