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The Tasmania - Antarctica Link
About 50 million years ago Australia and Antarctica were joined together and formed part of the supercontinent called Gondwana. At the time Antarctica was not glaciated and the continent was fully vegetated. As Australia moved north from Antarctica, separating at about 7cm per year, the Antarctic Circumpolar Current evolved and Antarctica became glaciated - resulting in the extinction of plants and animals. Only mosses, lichens, liverworts, and some small invertebrates remained....Read On: The Tasmania - Antarctica Link
|Jennifer Mathes, Ph.D.|