V2EX cladistics

Cladistics

释义 Definition

支序分类学;系统发育支序分析法:一种生物分类与推断亲缘关系的方法,主要依据“共同的衍征”(shared derived characters)来重建生物的进化分支关系,并常用支序图(cladogram)表示。
(该词在学术语境中使用较多;相关领域还常见 phylogenetics“系统发育学”。)

发音 Pronunciation

/kldstks/

例句 Examples

Cladistics helps biologists group species by shared traits.
支序分类学帮助生物学家根据共享特征对物种进行分组。

Using cladistics, researchers inferred that these fossils form a separate branch defined by several derived features.
研究人员运用支序分类学推断这些化石构成一个独立分支,其特征由若干衍征所界定。

词源 Etymology

cladistics 源自 clade(“支系、分支”),而 clade 来自希腊语 klados,意为“树枝、分枝”。**-istics** 常见于表示“某种学科/方法体系”的词尾,因此 cladistics 字面可理解为“以分支(支系)为核心的方法/学派”。

相关词 Related Words

文学与著作 Literary Works

  • Willi Hennig, Phylogenetic Systematics(《系统发育系统学》):支序分类学的奠基性著作之一。
  • Daniel L. Hartl & Andrew G. Clark, Principles of Population Genetics:在进化与分类讨论中常涉及支序思想与系统发育分析。
  • Mark Ridley, Evolution(《进化》):教材中常用“cladistics/cladogram”讲解现代分类与系统发育树。
  • Dan Graur & Wen-Hsiung Li, Fundamentals of Molecular Evolution:分子证据与系统发育推断中常提及支序分析框架。
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