
klaas (biology)

biological vargeekaranathil, klaas () oru taxonomic rankum athupole thanne aaa raankile oru taxonamaaya taxon aanu. ithu bandhapetta taxonomic oordarukalude oru koottamaanu. valuppathinte avarohana kramatthil ariyappedunna mattu raankukal life, domaine, kingdom, failam, oordar, famili, januss, speeshees ennivayaanu, failathinum oordarinum idayil klaas phitting undu..
charithram.
franch sasyashaasthranjanaaya joseph pittan dii tournafort thante "elements dii botanic" enna pusthakatthil 1694 ll prathyakshappetta sasyangalude vargeekaranathil aadyamaayi avatharippichathu athintethaaya vyathirikthamaya perulla ("topp level januss" (januss sammam) ennu mathramalla) jaiva vargeekaranathinte oru vyathyastha rank enna nilayilaanu.
oru varggathinte pothuvaaya nirvachanam labhyamaanengil, charitraparamaayi ithu oru prathyeka "grade" oorganaiseshan-i samyojippikkunna varggathe ulkkollunnathayi kanakkaakkappedunnu.iii. oru 'sankeernathayude nila', avarude avayava samvidaanangale vyathyastha pradeshangalaayo upa-oorgaanukalaayo engane verthirikkunnu ennathinte adisthaanathil alakkunnu-oru prathyeka "tharam" nirmmaanathode, athaayath avayava samvidaanangalude oru prathyeka leauttu. oro klaasukaludeyum ghadana aathyanthikamayi nirnnayikkunnath taxonomistukalude aathmanishtamaaya vidhiyaan.
thante sistamaa naachureyude (1735) aadya pathippil kaal linnaeus thante moonnu prakrithi rajyangaleyum (daathukkal, sasyangal, mrugangal) vibhagangalaayi vibhajichu. mrugaraajyathil maathrame innu upayogikkunna classukalkku samanamaaya linneyasinte klaasukal ulloo; addehathinte klaasukalum sasyangalude oordarukalum orikkalum prakrithi grouppukale prathinideekarikkaan uddeshichullathalla, marichu addehathinte "sistamaa sexual" anusarichu soukaryapradamaaya "krithrima thacol" nalkaan uddeshichullathaayirunnu, ithu pradhaanamaayum pookkalude krameekaranatthe adisthaanamaakkiyullathaanu. sasyashaasthrathil klaasukal ippol apoorvvamaayi maathrame charcha cheyyappedunnulloo. 1998-ll poochedikalude kramam vare vargeekaranam nirddeshicha epiji sisttathinte aadya prasidheekaranam muthal, pala srothassukalum kramangalekkaal uyarnna raankukale anoupachaarika kledukalaayi kanakkakkaan eshtappedunnu. aupachaarika raankukal nischayichittullidath, raankukal valare thaazhnna thalatthilekku churukki, udha.jii. upavarggangalkkum sooppardarukalkkum nalkiyittulla klaasinullile pradhana divisionukalulla, bhoomi sasyangalkkulla klaas equisitopsida.
pathonpathaam noottaandinte thudakkathil jorjju kuviyarinte "embranchmentukal", aadyam ernst hakel faila ennu vilikkunnathuvare eee klaas taxonomic shreniyude ettavum uyarnna thalamaayi kanakkaakkappettirunnu.
upavibhagangal.
mattu pradhana raankukaleppole, klaasukale groupucheyyaanum upavibhagamaakkaanum kazhiyum.

