Adolescent T-Rexes allegedly ousted smaller dinosaur species | Science | News | The sun – The Saxon

Ltheir study, published Thursday in the prestigious journal Science, helps answer a lingering mystery about the 150 million years or so that dinosaurs ruled: why were there so many more species large in size than small, when the reverse is true in animals terrestrial today?
The dinosaur communities were like shopping malls on Saturday afternoons, filled with teenagers, says Kat Schroeder, a researcher at the University of New Mexico, who led the study. These “adolescents” represented “a significant…

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