Earth’s worst mass extinction might not have been as bad as we thought
The Permo - Triassic extinction event occur 251 million geezerhood ago , killing off 96 % of all marine specie , and 70 % of those on estate . As bad as all that was , it now appears that demesne - ground coinage recoup much faster than previously believed . Extinction events are devastating not just because of the massive amount of individual end and species - broad extinction , but also because of the accumulative loss of biodiversity ....