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Grada grupa organizmiv v biologichnij sistematici sho vidpovidaye pevnomu rivnyu morfologichnogo abo fiziologichnogo rozvitku Termin vvedenij britanskim biologom Dzhulianom Gaksli v 1959 roci z metoyu vidriznyati podibni grupi vid klad grup organizmiv sho vidilyayutsya na pidstavi spilnosti pohodzhennya 1 Ponyattya gradi dopovnyuye ponyattya kladi yak strogo filogenetichnoyi odinici U tradicijnih biologichnih klasifikaciyah taksoni mozhut buti yak kladami tak i gradami abo ne vidnositisya do zhodnoyi z cih kategorij cej pidhid harakternij i dlya evolyucijnoyi sistematiki v toj chas yak v kladistici viznayut lishe ti taksoni yaki ye kladami 2 3 Kladograma biologichnoyi grupi Zelenim kolorom vidileno gradu chervonim i sinim kladi Zmist 1 Viznachennya 2 Prikladi 3 Div takozh 4 Literatura 5 PrimitkiViznachennya red Evolyucijna grada ce grupa vidiv ob yednanih morfologichnoyu abo fiziologichnoyu podibnistyu naborom ris yaka porodila odnu abo bilshe grup sho rizko vidriznyayutsya vid cogo predkovogo stanu i tomu ne vvazhayutsya yiyi chastinoyu Predkova grupa ne vvazhayetsya takim chinom filogenetichno yedinoyu tobto ye parafiletichnoyu a inodi i polifiletichnoyu grupoyu organizmiv Najbilsh naochnij i chasto zgaduvanij priklad reptiliyi plazuni Na pochatku XIX stolittya francuzkij naturalist P yer Andre Latrejl vpershe rozdiliv chotirinogih na chotiri klasi amfibij reptilij ptahiv i ssavciv 4 V jogo sistemi reptiliyi harakterizuvalisya yak pojkilotermni yajcekladuchi pokriti luskoyu abo kistyanimi plastinkami hrebetni Hocha predki ssavciv i ptahiv takozh mali ci oznaka i sami ptahi ta ssavci yih vtratili i takim chinom za Latrejlem vzhe ne nalezhat do reptilij a utvoryuyut samostijni taksoni togo zh rangu Parafiletichni taksoni chasto ale ne zavzhdi ye gradami U deyakih vipadkah parafiletichni taksoni ob yednani lishe tim sho ne nalezhat do inshih grup togo zh rangu i v cij situaciyi yih inodi nazivayut smittyevimi takij takson mozhe buti navit polifiletichnim Prikladi red nbsp Bryophyta mohi v shirokomu sensi fiziologichno primitivni nazemni rosliniMohopodibni briofiti dovgij chas vvazhalisya prirodnoyu grupoyu sho viznachayutsya yak bezsudinni nazemni roslini z dominuvannyam gametofita v zhittyevomu cikli Molekulyarni svidoctva pokazali sho mohi ne monofiletichna grupa i spravzhni mohi pechinochniki i antocerotovidni ye okremimi liniyami prichomu ostanni filogenetichno blizhche do sudinnih roslin 5 Ribi ye gradoyu adzhe vid nih pohodyat chotirinogi anatomiya i fiziologiya yakih zaznala serjoznu perebudovu v zv yazku z pristosuvannyam do nazemnogo sposobu zhittya Gradami z tiyeyi zh prichini viyavlyayutsya i taki taksonomichni pidrozdili rib yak kistkovi ribi i lopateperi ribi 6 Amfibiyi v biologichnomu sensi vklyuchayuchi vimerlih labirintodontiv grada z yakoyi evolyucionuvala klada amniot nabagato krashe pristosovanih do nazemnogo sposobu zhittya 6 Dinozavri ye gradoyu adzhe z ciyeyi grupi evolyucionuvali ptahi z yih virazhenoyu teplokrovnisttyu i visokim rivnem metabolizma 7 8 Yashirki grada na vidminu vid kladi zmij predstavniki yakoyi dosyagli visokogo rivnya specializaciyi v peresuvanni bez vikoristannya kincivok 9 10 11 Div takozh red Takson Aromorfoz Idioadaptaciya Zagalna degeneraciya KladaLiteratura red Pavlinov I Ya Lyubarskij G Yu Biologicheskaya sistematika Evolyuciya idej M T vo nauchn izdanij KMK 2011 667 s Primitki red Huxley J Clades and Grades Function and Taxonomic Importance A Symposium Issue 3 Ed by A J Cain London The Systematics Association 1959 140 P 21 22 Pavlinov Lyubarskij 2011 s 317 323 335 Aubert D A Formal Analysis of Phylogenetic Terminology Towards a Reconsideration of the Current Paradigm in Systematics 1 Arhivovano 6 travnya 2018 u Wayback Machine Phytoneuron 2015 16 pages 1 54 Latreille P A Nouveau Dictionnaire a Histoire Naturelle 1804 xxiv cited in Latreille P A Familles naturelles du regne animal exposes succinctement et dans un ordre analytique 1825 Qiu Yin Long Li Libo Wang Bin Chen Zhiduan Knoop V Groth Malonek M Dombrovska O Lee Jungho Kent L Rest J Estabrook G F Hendry T A Taylor D W Testa C M Ambros M Crandall Stotler B Duff R J Stech M Frey W Quandt D Davis C C Zagolovok P 15511 15516 DOI 10 1073 pnas 0603335103 PubMed a b Romer A S Parsons T S The Vertebrate Body 5th ed Philadelphia Saunders 1977 xv 624 r P 37 Huxley T H Further Evidence of the Affinity between the Dinosaurian Reptiles and Birds Quarterly Journal of the Geological Society of London 1870 Vol 26 P 12 31 Turner A H Makovicky P J Norell M A A Review of Dromaeosaurid Systematics and Paravian Phylogeny Bulletin of the American Museum of Natural History 2012 Vol 371 P 1 206 Gibbons J W Their Blood Runs Cold Adventures with Reptiles and Amphibians University of Alabama Press 1983 164 r Vidal N Hedges S B The Molecular Evolutionary Tree of Lizards Snakes and Amphisbaenians 2 Arhivovano 14 listopada 2012 u Wayback Machine Comptes Rendus Biologies 2009 Vol 332 No 2 P 129 139 Dzerzhinskij F Ya Vasilev B D Malahov V V Zoologiya pozvonochnyh 2 e izd M Izdat centr Akademiya 2014 464 S 283 Otrimano z https uk wikipedia org w index php title Grada sistematika amp oldid 36137892