m the most recent glacial period, the lowering sea level allowed animals to cross the narrow Bering Strait between Asia and North America.7: Wegner accounted for the existence of glaciers in the southern land masses, while at the same time places in North America supported lush tropical swamps was the Ancient climates.During the late Paleozoic, large swamps existed in the Northern Hemisphere. Wegner believed that a better explanation for the paleoclimate regimes he observed is provided by the fitting together of the land masses as a super continent, with South America centered over the South Pole....
