When was the Permian Mass Extinction?
251 million years ago
902 million years ago
490 million years ago
How long did the Mass extinction last?
30 Ma
50Ma
90Ma
In the Permian-Triassic extinction event % of all species went extinct, meaning that all life today has evolved from the remaining %
The asteroid impact theory is supported by a super crater found in . Also, fullerenes have been dated to this time period, fullerenes can only be formed in extreme such as impact or fires.
The theory is when in erupted and spewed out 2 million square kilometres of lava.
In the environmental theory there were drops in and a rise in levels.