UnnumberedYet to rateBroaderNumber (complex)Yet to rateMetadataDatabaseWorld problemsType(A) Abstract fundamental problemsBiological classificationN/AContent qualityYet to rate Yet to rateLanguageEnglish1A4NA6436DOCID11164360D7NID165456Editing linkhttps://www.ewphp.org/node/338699/editOfficial linkhttps://encyclopedia.uia.org/problem/unnumberedLast updateDec 3, 2024