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Unformatted text preview: mya). A second extinction occurred in the late Devonian period, about 360 mya. This extinction paved the way for a diversification of land plants, insects, and amphibians in the Carboniferous period. The next mass extinction took place at the end of the Paleozoic era in the Permian period, about 250 mya. After this extinction, marine and reptile diversity increased greatly, eventually leading to the "Age of the Dinosaurs." The dinosaur age crashed to a halt in the late Cretaceous period (70 mya), when the most recent mass extinction eliminated the last dinosaurs and allowed mammals to become a dominant form of life....
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