Completar frases Geologic Time ReviewVersión en línea Review of significant events in earth's history. por Sabrina Ewald 1 Cretaceous ancestors layer life Carboniferous Pleistocene Invertebrates Creek human Reptiles Burgess Shale Permian Mesozoic Silurian Pennsylvanian 96% GOE jurmaia Mississippian Devonian Mammals ozone The Paleozoic is known as the Age of . Land plants first appeared in the . The Carboniferous includes the and Periods . Fish dominated in the . The last major ice age peaked during the . The marked the time when oxygen became abundant in the atmosphere . First appeared 3 . 8bya . Dinosaurs died at the end of the . The Mesozoic is known as the Age of . The Cenozoic is known as the Age of . Life was able to evolve when the formed . Lucy was one of the oldest found in Africa . The was the first mammal species . The world's richest fossil bed is the . Hell's contains many fossils from the Era . The rich coal beds in the Appalachians formed during the . The Great Dying occurred at the end of the and of species died .
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