🌐EnglishEnglishBahasa IndonesiaEspañolNederlandsPortuguêsTiếng ViệtTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ2430501· pop 17· linked from 69 articlesthree-domain systemAlso known as three-domain theoryhypothesis for classification of lifeAvailable in 17 languagesEspañol中文РусскийPortuguêsالعربيةBahasa IndonesiaCatalanFilipinoGalicianManxConnectionseukaryoteEntitykingdomEntityCategoriesBiological classificationBiology controversiesHigh-level systems of taxonomy