| 11. | The two species are allopatric across the Sanaga River.
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| 12. | The five species are entirely allopatric, their distributions being separated by major rivers.
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| 13. | This may arise from human alteration of habitats enabling related allopatric species to overlap.
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| 14. | Reproductive isolation can be caused by allopatric speciation.
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| 15. | The two species are entirely allopatric ( their distributions separated by major rivers ).
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| 16. | Its small size is a result of island dwarfing, a kind of allopatric speciation.
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| 17. | The four species are almost entirely allopatric.
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| 18. | An allopatric medical degree is not required.
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| 19. | Speciation can occur sympatric speciation or allopatric speciation ( and a few other ways ).
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| 20. | Many allopatric forms previously regarded as conspecific are treated by Rasmussen and Anderton as full species.
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