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| Description: In allopatric speciation a physical barrier arises and ends gene flow between populations Genetic divergence results in speciation Example: Geographic isolation of Atlantic and Pacific species caused by the formation of the Isthmus of Panama Picture Stats: Views: 31 Filesize: 458.79kB Height: 1144 Width: 1982 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=48549 |