Question

What major evolutionary development took place during the Permian? What did Earth have to have for that development to take place?

Answer 1

Answer:

The gradual climatic warming that took place during the Early Permian (Cisuralian) Epoch (298.9 million to 272.3 million years ago) encouraged great evolutionary expansion (diversification) among both marine and terrestrial faunas that had survived the relatively cold conditions of the Carboniferous Period.

Answer 2

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The Permian period, which ended in the largest mass extinction the Earth has ever known, began about 299 million years ago. The emerging supercontinent of Pangaea presented severe extremes of climate and environment due to its vast size. The south was cold and arid, with much of the region frozen under ice caps.

By the early Permian, the two great continents of the Paleozoic, Gondwana and Euramerica, had collided to form the supercontinent Pangaea. Pangaea was shaped like a thickened letter “C.” The top curve of the “C” consisted of landmasses that would later become modern Europe and Asia.

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