EntityQ2430501· pop 17· linked from 69 articlesthree-domain systemSign in to savehypothesis for classification of lifeConnectionseukaryoteEntitykingdomEntityprokaryotesEntitylifeEntitycellEntitybacteriaEntitygeneticsEntityInternational Standard Book NumberEntityArchaeaEntitygeneEntitymicroorganismEntitymethaneEntitydigital object identifierEntitytaxonomyEntitydomainEntitynucleusEntityInternational Standard Serial NumberEntityorganelleEntityCyanobacteriaEntitycladeEntityCategoriesBiological classificationBiology controversiesHigh-level systems of taxonomy