Models of speciation. New concepts suggest that the classical sympatric and allopatric models are not the only alternatives.
D005075:Biological Evolution; D002869:Chromosome Aberrations; D004330:Drosophila; D004463:Ecology; D005828:Genetics, Population; D006824:Hybridization, Genetic; D007313:Insecta; D008954:Models, Biological; D009154:Mutation; D013045:Species Specificity