PhylogenyPlatyhelminthsSoftwareInvertebratesHydrozoaSea AnemonesEvolution, MolecularMyxozoaTurbellariaPlacozoaBiological EvolutionPoriferaAnnelidaBody PatterningRNA, Ribosomal, 18SMolecular Sequence DataVertebratesSequence AlignmentGenes, HomeoboxGene Expression Regulation, DevelopmentalMultigene FamilySequence Analysis, DNAAmino Acid SequenceLikelihood FunctionsFossilsSpecies SpecificityDNA, MitochondrialBayes TheoremDNA, Ribosomal SpacerDNA, RibosomalModels, GeneticGenetic SpeciationBase SequenceGenetic VariationDNA, ChloroplastRNA, Ribosomal, 16SPhylogeographyRNA, Ribosomal, 28SGenome, MitochondrialFetusClassificationMammalsAnimals, NewbornAngiospermsGene Transfer, HorizontalGenes, MitochondrialDinosaursPrimatesGeographyBirdsAgingGymnospermsBody SizeDNA, PlantCiliophoraPlastidsArthropodsRNA, RibosomalBiodiversityHominidaeFishesGestational AgeGene DuplicationEukaryotaGenomeSequence Homology, Nucleic AcidPlantsThymus GlandCluster AnalysisGenome, BacterialEmbryonic and Fetal DevelopmentGenes, rRNAExtinction, BiologicalEcosystemComputational BiologySymbiosisGenomicsAscomycotaAnthocerotophytaAlgorithmsCell DifferentiationSkullStrepsirhiniArchaeaPolymerase Chain ReactionDNA, BacterialFlowersBacteriaPeptide Elongation Factor 1DNA, FungalSequence HomologyAnatomy, ComparativeGene OrderCetaceaLarvaYolk SacGenes, ArchaealLizardsDNA PrimersRhodophyta