Evolution - From Primates to Humans
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32.000.000- OLIGOCENE- It's a relatively short period in geological terms, as it lasts only 10 million years, the climate is colder than today. As South America separated from Antarctica, the Drake Passage was opened at the beginning of the Oligocene, allowing for the first time complete ocean circulation around Antarctica. The Antarctic Circumpolar Current caused rapid cooling by preventing warm waters from reaching Antarctica and allowed glaciers to form on a continent previously covered by forests. As a result, sea levels dropped. On continents, many areas of boreal forest became tundra are...
32.000.000- OLIGOCENE- It's a relatively short period in geological terms, as it lasts only 10 million years, the climate is colder than today. As South America separated from Antarctica, the Drake Passage was opened at the beginning of the Oligocene, allowing for the first time complete ocean circulation around Antarctica. The Antarctic Circumpolar Current caused rapid cooling by preventing warm waters from reaching Antarctica and allowed glaciers to form on a continent previously covered by forests. As a result, sea levels dropped. On continents, many areas of boreal forest became tundra areas and, further south, forested landscapes became steppe landscapes. Eurasian paleontological remains indicate major faunal changes, with animal migrations and mass extinctions. 31.900.000 - The cooling of the waters causes the disappearance of many species that inhabited warm waters, giving rise to a very poorly diversified fauna. 31.800.000 ...
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