What data does biogeography provide for studying evolution?

Biogeography studies the patterns of distribution of species of organisms on the planet. Thus, a comparison of the fauna and flora of different continents allows us to highlight the biogeographic regions of the Earth. The degree of similarity and difference between the species composition of different biogeographic regions of the Earth is explained by the history of the formation of continents and the time of their isolation. Thus, according to the theory of continental drift, a significant similarity of the fauna and flora of Eurasia and North America is due to the long connection between them through the land bridge – Beringia. The originality and uniqueness of the fauna and flora of the Australian region indicates the early separation of Australia from the mainland of Gondwana, formed as a result of the separation of the ancient supercontinent Pangea.

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