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Dinosaurs' Loss Was Frogs' Gain: The Upside Of A Mass Extinction

Discussion in 'The Library' started by Rich, Jul 3, 2017.

  1. Rich

    Rich Administrator Staff Member Premium Member

    Based on earlier studies, biologists believed that the vast majority of today's frogs originated in a blossoming of new species 100 million years ago. New and more complete genetic data pinpoints this radiation much earlier: 66 million years ago at the Cretaceous-Paleogene boundary, precisely when much of life on Earth was wiped out by a comet or asteroid. Frogs took advantage of flourishing angiosperms to escape to the treetops into many more ecological niches. h53VnPjYtPU.gif

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