Given any species in any region, the nearest related species is not likely to be found in the same region, nor in a remote region, but in a neighboring district, separated from the first by a barrier of some sort, or at least by a belt of country the... Evolution and Animal Life: An Elementary Discussion of Facts, Processes ... - Página 118 por David Starr Jordan, Vernon Lyman Kellogg - 1907 - 489 páginas Visualização integral -
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