"Extinction event that wiped out dinosaurs cleared way..." Topic
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| Tango01 | 12 Jul 2017 1:07 p.m. PST |
…for frogs "The mass extinction that obliterated three-fourths of life on Earth, including non-avian dinosaurs, set the stage for the swift rise of frogs, a new study shows. In a paper published in the Proceedings of the National Academy of Sciences, an international team of researchers presented a new tree of life for frogs that helps solve longstanding riddles about relationships and sheds light on the history and pace of frog evolution.
Unexpectedly, their analyses showed three major lineages of modern frogs — about 88 percent of living species — appeared simultaneously, evolving on the heels of the extinction event that marked the end of the Cretaceous Period and the beginning of the Paleogene 66 million years ago. Previous research suggested a more ancient origin of many of these modern frog groups…"
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robert piepenbrink  | 12 Jul 2017 3:41 p.m. PST |
So, it was the frogs? All this time, I figured the mammals were behind it. |
| Tango01 | 13 Jul 2017 10:33 a.m. PST |
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| coopman | 17 Jul 2017 2:37 p.m. PST |
This story is Bull….Frogs. |
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