The new life burgeoning on land apparently escaped the worst effects of the mass extinction that ended the Devonian. The main victims were marine creatures, with up to 70 percent of species wiped out.
4 个月on MSN
The Late Devonian extinction was one of five mass extinction events in Earth history. It significantly affected marine life, ...
The five peaks show the "Big Five" mass extinction events, when extinction rates sharply exceeded background rates. These occurred at the end of the Ordivician, the Late Devonian, the Permian ...
Extinction is a natural part of life on Earth. But occasionally ... hypothesize the extinction crisis was driven by changes in ocean chemistry or a cooling climate that caused sea levels to drop as ...
来自MSN4 个月
Groundbreaking discovery of the world's oldest living fossils is changing evolutionary norms?Ancient primitive 'Devonian coelacanth ... The end-Cretaceous extinction caused by the impact of a large asteroid destroyed some 75% of all life on Earth, as well as all non-avian (bird-like ...
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