V2EX divergent evolution

Divergent Evolution

Definition / 释义

分歧进化(又称“发散进化”):指具有共同祖先的生物谱系在不同环境压力与选择作用下,逐渐演化出不同的形态、功能或行为特征,从而彼此差异越来越大。(常与 convergent evolution “趋同进化”相对。)

Pronunciation / 发音

/davrdnt vlun/

Examples / 例句

Divergent evolution can produce different species from a common ancestor.
分歧进化可以使同一共同祖先演变出不同物种。

On isolated islands, divergent evolution often leads to unique traits as populations adapt to local habitats and diets.
在与世隔绝的岛屿上,分歧进化常常会导致独特性状,因为种群会适应当地的栖息环境与食物来源。

Etymology / 词源

divergent 来自拉丁语词根 divergere,含义为“分开、岔开”(di- “分开” + vergere “倾向、转向”);evolution 源自拉丁语 evolutio,本义有“展开、逐步发展”。合起来表示“朝不同方向展开发展的进化过程”。

Related Words / 相关词

Literary Works / 文学作品举例

  • On the Origin of Species Charles Darwin(讨论物种分化与共同祖先框架下的进化思想,常用于理解“分歧进化”的核心逻辑)
  • The Selfish Gene Richard Dawkins(涉及谱系分化与选择如何推动性状差异的讨论)
  • The Beak of the Finch Jonathan Weiner(以达尔文雀研究展示在不同生态压力下产生分化的进化过程)
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