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Slow and steady or a big spurt? How to grow a ferocious dinosaur – Yahoo News

Large meat-eating dinosaurs attained their great size through very different growth strategies, with some taking a slow and steady path and others…

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By Will Dunham
WASHINGTON (Reuters) – Large meat-eating dinosaurs attained their great size through very different growth strategies, with some taking a slow and steady path and others experiencing an adolescent growth spurt, according to scientists who analyzed slices of fossilized bones.
The researchers examined the annual growth rings – akin to those in tree trunks – in bones from 11 species of theropods, a broad group spanning all the big carnivorous dinosaurs including Tyrannosaurus rex and…

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