EukaryotaIsopteraPhylogenyCiliophoraHypermastigiaForaminiferaCryptophytaArchamoebaeCercozoaTrichomonas vaginalisAlveolataOligohymenophoreaRNA, Ribosomal, 18SEukaryotic CellsPlanktonGiardia lambliaDinoflagellidaChoanoflagellataTrichomonasMesomycetozoeaRhizariaSymbiosisAmoebaChrysophytaEvolution, MolecularGenome, ProtozoanRNA, ProtozoanMolecular Sequence DataHeterotrophic ProcessesNaegleriaProtozoan ProteinsDiplomonadidaKinetoplastidaAmoebozoaDNA, ProtozoanChlorophytaEuglena gracilisAcanthamoeba castellaniiPlastidsParasitesAmberRibosome Subunits, SmallMicrosporidiaRickettsieaeGenes, ProtozoanSequence Analysis, DNAEntamoeba histolyticaBiodiversityFungiBiological EvolutionSeawaterSpirochaetaceaeRhodophytaTrypanosomatinaStramenopilesLakesSpores, ProtozoanSequence AlignmentGene Transfer, HorizontalPyruvate SynthaseAmino Acid SequenceOrganellesDNA, RibosomalApicomplexaWater MicrobiologyProkaryotic CellsTrypanosoma brucei bruceiDNA, AlgalEcosystemDiatomsTetrahymenaFresh WaterPhytoplanktonParamecium tetraureliaBlastocystisRNA, RibosomalAntarctic RegionsBase SequenceBacteriaAtlantic OceanTrichomonadidaBacteroidetesSequence Homology, Amino AcidIce CoverOceans and SeasPlantsEntamoebaAnimal Population GroupsGastrointestinal TractAquatic OrganismsApicoplastsSpecies SpecificityLikelihood FunctionsHaptophytaBacteroidaceaeFossilsTetrahymena thermophilaGenes, rRNAMitochondriaEuplotes