Wallace Line by the Sahul Shelf to New Guinea. The biogeographic boundary known as Lydekker's Line, which separates the eastern edge of Wallacea from the Australian region, has a similar origin to the Wallace line. During ice age glacial advances, when the , both Asia and Australia were united with what are now islands on their respective continental shelves as continuous land masses, but the deep water between those two large continental shelf areas was, for over 50 million years, a barrier that kept the flora and fauna of Australia separated from those of Asia. Wallacea consists of islands that were not
Lawnie Wallace Lawnie Wallace Lawnie Wallace is a Canadian country singer. Wallace recorded one studio album for MCA Canada, 1995's "Thought I Was Dreaming". Four singles from the album charted on the "RPM" Country Tracks chart in Canada, including the number 8-peaking title track. Wallace was born in Stouffville, Ontario, Canada. At age seven she began performing and writing songs. At the age of fifteen Wallace signed a publishing deal with TMP Publishing, and an artist development deal with Warner Chappell. After relocating to Nashville she began co-writing songs. Before the age of seventeen Wallace had signed a major record deal with