Web11 May 2024 · paraphyletic. paraphyletic In systematics, describing a group of organisms that excludes one or more descendants of a particular single common ancestor. For … Web8 Apr 2024 · Proterosuchia is one of the suborders of the paraphyletic group Thecodontia; containing the most primitive and ancestral forms.These were primitive, vaguely crocodile-like, archosauriforms that mostly lived during the Early Triassic epoch. The name Proterosuchia was coined by Robert Broom in 1906. In later classifications, several …
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Web4 Apr 2024 · Paraphyly or paraphyletic is a term used in phylogenetics which is a study of evolutionary patterns and relationships among organisms. For a group of organisms to be … Web"t group" 中文翻译: 训练小组; 训练组 "t-group" 中文翻译: n. 训练小组〔现代美国的一种所谓精神治疗法,受治疗者在专门训练员的指导下,在小组内不受约束地用言语表达内心感情〕 … husky powerwasher h2010 manual
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Web6 Sep 2024 · The most discriminative characters are from fruits and flowers. However, form and shape of oil-ducts in valleculae divide these five taxa into two groups. The first group contains G. daucoides and G. scabridum, which have large and elliptical vallecular oil-ducts in transverse sections of the mericarps. The second group consists of G. macrodon ... WebStem group是与Crown group有关的最常用和最重要的概念,因为它提供了一个纯粹的系统发育途径来对化石进行分类,否则这些化石不适合基于活生物体的分类系统。 以上英文部 … Web单系类群(monophyletic group):包括最晚共同祖种及其全部后裔种在内的一个类群,在这个类群内的物种相互之间比类群外的任何物种有更近的亲缘关系。分支系统学只接受单系 … husky power washer h2000 price