Respuesta :
By the end of the Paleozoic era, the continents started to split up into
the places that we know them today. At the end of the Paleozoic era,
there was mass extinction on Pangaea, and it took almost 30 million
years for the Earth to recover. When the mass-exitinction occurred, the
Earth was in the Permian-Triassic period of the Paleozoic Era.