V2EX cladistics

Cladistics

定义 Definition

名词 (n.) 分支系统学,支序分类学。一种根据共同祖先和衍生特征(共衍征)来对生物进行分类的方法,强调进化分支关系而非整体相似性。

发音 Pronunciation

/klds.tks/

例句 Examples

Cladistics is widely used in modern biology to classify organisms.
分支系统学在现代生物学中被广泛用于对生物进行分类。

By applying cladistics, researchers were able to demonstrate that birds are the closest living relatives of dinosaurs, fundamentally reshaping our understanding of vertebrate evolution.
通过运用分支系统学,研究人员证明了鸟类是恐龙现存最近的亲缘物种,从根本上改变了我们对脊椎动物进化的认识。

词源 Etymology

该词源于希腊语 klados,意为"枝条、分支"。后缀 -istics 表示"……学科、……方法论"。这个术语在20世纪中期由德国昆虫学家威利亨尼希(Willi Hennig)的分类理论推广开来。亨尼希于1950年出版了奠基性著作,提出应以进化分支关系作为生物分类的核心依据,而非传统的形态相似度。英语中 cladistics 一词大约在1960年代开始流行。

相关词汇 Related Words

文学与学术引用 Notable References

  • 威利亨尼希《Phylogenetic Systematics》(1966)分支系统学的奠基之作,系统阐述了以共衍征为基础的分类方法论。
  • 理查德道金斯《The Ancestor's Tale》(2004)书中多次运用分支系统学的概念来追溯生命的进化历程。
  • 斯蒂芬杰古尔德《Wonderful Life》(1989)讨论寒武纪生物多样性时涉及分支分类方法与传统分类学的对比。
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