Beaks Transformed Dinosaurs, Expanding Diet





The beak was like nature's Swiss Army knife because it provided many tools in one unit.

The emergence of the beak on dinosaurs was "an evolutionary innovation," according to a new study that found this seemingly simple trait is like nature's Swiss Army knife because it functions as many tools in one.

Over time, many dinosaurs replaced their toothy grins with beaks to aid their transition to plant eating, according to the new study that is published in the latest Proceedings of the National Academy of Sciences....



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