At the end of the Permian period a large mass extinction

Last updated: 2/15/2023

At the end of the Permian period a large mass extinction occurred 90 95 of the marine and terrestrial species were eliminated What is thought to be the possible cause of this mass extinction 1 Glaciation and volcanic eruptions 2 Meteorite collisions with Earth 3 Sudden drop in atmospheric 02 4 Volcanic eruptions and Meteorite collisions 5 Competition between marine and terrestrial species