Jack Of All Trades Or Master Of One? Answers From Fossils And Dog Poop
Which will be more successful: an animal with a flexible diet or an animal that eats meat only or plants only? Is it better to be a jack of all trades or a master of one? To answer these questions, UCLA life scientists (myself included) analyzed the 40-million-year fossil record of over 130 species of North American dogs and their predecessors. Dogs — the family Canidae — got their start on this continent. Today, North American dogs and their relatives...
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