Genetic SpeciationReproductive IsolationGene FlowHybridization, GeneticPhylogenyBiological EvolutionSpecies SpecificityEvolution, MolecularSympatryGeographyCichlidsGenetic VariationAdaptation, BiologicalReproductionSelection, GeneticGenetics, PopulationModels, GeneticEcosystemDNA, MitochondrialPhylogeographyButterfliesSexual Behavior, AnimalBiodiversityX-Ray Absorption SpectroscopyEcologySequence Analysis, DNAAmplified Fragment Length Polymorphism AnalysisMating Preference, AnimalExtinction, BiologicalAngiospermsBayes TheoremCacodylic AcidPolyploidyPasseriformesGeological PhenomenaGenetic DriftArsenicLikelihood FunctionsFresh WaterPigmentationTephritidaeClimateMolecular Sequence DataGryllidaeFossilsCytochromes bArsenicalsLizardsGeologyMicrosatellite RepeatsAnnonaceaePopulation DynamicsBeakSenecioAnimal MigrationDNA, ChloroplastEnvironmentLakesOceans and SeasGastropodaGorilla gorillaSouth AmericaDNA, PlantSpectrophotometry, AtomicAfrica, EasternHumic SubstancesCapsellaAcerPongoGene DuplicationEcotypeAdaptation, PhysiologicalChromosomes, InsectSmegmamorphaBirdsSex Chromosomes