常見例句In the present paper the essentials of the concept and method of quantitative parsimony analysis for cladogram construction are revealed. 數(shù)值簡約性原則是分支分類學(xué)進(jìn)行分支分析及重構(gòu)生物演化分支圖的主要思想方法。In the cladogram, Kengyilia may be divided into three sections, but it is not fit for dividing series. 在分支圖上,以禮草屬26個種可以歸為3個組,但不適合于劃分系。We constructed a matrix based on distribution data for Chinese Tetrigidae insects and an area cladogram using northeastern China area as an outgroup. 根據(jù)蚱科昆蟲的分布, 構(gòu)建特有性簡約性分析所需的矩陣, 以東北區(qū)作為外群, 用最大簡約法通過窮盡式搜索得到分布區(qū)分支圖。The branching points of the cladogram may be regarded either as an ancestral species (as in an evolutionary tree) or solely as representing shared characteristics. 在這個形象化的進(jìn)化樹上,每兩個物種間的距離都是由它們共有的特性來決定的。Cladistic relationship of the true fruit trees(Citreae, Rutaceae) is studied by character compatibility analysis. The cladogram based on primary clique of 7 morphological characters is presented. According to the cladogram, Citrus L. and Clymenia Swingl. 本文用相容性分析方法(Compatability snalysis)分析了真正柑桔果樹群(蕓香科Rutaceae-柑桔亞科Aurantioideae-柑桔族(Citreae)-柑桔亞族(Citrinae)植物內(nèi)各屬間的分支學(xué)關(guān)系。給出了建立在7個相容性性狀組成的最大族所決定的分支圖。性狀極性的確定使用了外群法。結(jié)果表明;柑桔屬(Citrus L.;)clade A group defined by at least one shared derived character or synapomorphy inherited from a common ancestor; a monophyletic higher taxon, a branch on a cladogram. 進(jìn)化枝由共同祖先演化產(chǎn)生的生物群在演化分枝圖上的一個分支。 返回 cladogram