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| Description: Paleozoic Era: Life Explodes During the Paleozoic, organisms diversified dramatically Insects and plants moved onto land Lobe-finned fishes adapted to land and became the first amphibians Large tropical swamps in the Pennsylvanian period became the major coal deposits of today Picture Stats: Views: 203 Filesize: 1.64MB Height: 513 Width: 1100 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39638 |