The Permian period was dry, which provided a reproductive advantage to seed plants over the giant fern trees that dominated the preceding wet Mississippian and Pennsylvanian periods.

Authors

• Person: Not available Organization: LibreTexts
  5.9.1: Kingdom Plantae - Evolution and Phylogeny

Sources

• 5.9.1: Kingdom Plantae - Evolution and Phylogeny bio.libretexts.org LibreTexts via serper

Referenced by nodes (1)

• seed plants concept