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Plate tectonics have given Australia, the continent, an adventurous past—splitting off from Gondwanaland perhaps 60 million years ago, drifting through the latitudes, impinging on to the island arcs of southern Asia perhaps 20 million years ago—in which man plays a very recent role. Its most characteristic fauna and flora, such as the kangaroo and the eucalyptus, evolved in Gondwanaland days. The aboriginal, his dog the dingo, and the animal and plant species in rain forests of northeast Australia came from Asia, either island-hopping or over ice-age land bridges. Such parvenus as the white man, the rabbit, and the prickly pear
DOHERTY R. Australia: Medical Research, 1877-1975. Ann Intern Med. ;84:217–218. doi: 10.7326/0003-4819-84-2-217
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Published: Ann Intern Med. 1976;84(2):217-218.
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