gymnosperms
Permian Period.
Glossopteris plants lived approximately 300 million years ago. These time periods are referred to as the Permian Period and the Triassic Period.
The Permian Period was ended by the Permian/Triassic Extinction Event, which wiped out 90% of the species on Earth at that time.
Ther Permian was the last period of the Paleozoic era.
The permian period was the end of the paleozoic era.
The Permian period lasted from 290 to 248 million years ago and was the last period of the Paleozoic Era.
What happened to the earth's continents during permian period is pangea
the amount of animals breathing in the oxygen, and not enough plants.
The worst known mass extinction in Earth's history was the Permian-Triassic Extinction Event at the end of the Permian period. The Permian period was the last period of the Paleozoic Era.
Yes. Life on land could not exist without an ozone layer.
permian period