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| natural selection that favors altruistic behavior toward close relatives resulting in an increase in the individual's genetic contribution to the gene pool |
| the merging of two or more cells into a single cell |
| allopatric (ˌæləˈpætrɪk) | |
| —adj | |
| Compare sympatric (of biological speciation or species) taking place or existing in areas that are geographically separated from one another | |
| [C20: from | |
| allo'patrically | |
| —adv | |
| allopatric (āl'ə-pāt'rĭk) Pronunciation Key
Ecology Occurring in separate, nonoverlapping geographic areas. Allopatric populations of related organisms are unable to interbreed because of geographic separation. ◇ The development of new species as a result of the geographic separation of populations is called allopatric speciation. Compare sympatric. |