Permian–Triassic extinction (10 ene 363999999 año aC – 1 jun 251000000 año aC)

Descripción:

This mass extinction is considered the worst in all history because around 96% of species were lost.The Earth warmed, and the oceans became acidic. Life today descended from the 4% of surviving species. Climate warmed throughout the Permian times, and, by the end of the period, hot and dry conditions were so extensive that they caused a crisis in Permian marine and terrestrial life.

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