Keywords: Zh-Speciation modes.png Geographic illustration of SPATIAL ASPECTS OF SPECIATION allopatric speciation - physical barrier divides population peripatric speciation - small founding population enters isolated niche parapatric speciation - new niche found adjacent to original one sympatric speciation - speciation occurs without physical separation Drawn in Inkscape by Ilmari Karonen based on en Image Speciation modes png and http //www bio miami edu/dana/160/speciation jpg from http //www bio miami edu/dana/160/160S04_6 html Tanslated into Chinese by Mike 2007-01-24 own assumed Quarty~commonswiki Ilmari Karonen Speciation |