V2EX commensalism

Commensalism

定义 Definition

共栖(偏利共生):一种生物间关系,其中一方受益,而另一方既不受益也不受害。常用于生态学语境。(注意:与 mutualism“互利共生”、parasitism“寄生”相对。)

发音 Pronunciation (IPA)

/kmn.sl.zm/

例句 Examples

Commensalism is when one species benefits and the other is unaffected.
共栖指的是一种物种获益而另一物种不受影响的关系。

In coral reef ecosystems, some small fish exhibit commensalism by sheltering among sea urchin spines without harming the urchin.
在珊瑚礁生态系统中,一些小鱼通过躲在海胆的刺间获得庇护而不伤害海胆,表现出共栖关系。

词源 Etymology

源自拉丁语 commensalis,意为“同桌共餐的人”(com- “共同” + mensa “餐桌”)。后来引申为“共同生活/共处”的生态关系,并在生物学中专指“一方得益、另一方无明显影响”的共生类型。

相关词 Related Words

文学作品 Literary Works

  • Charles Darwin On the Origin of Species(常以“共生/互作关系”的讨论框架出现,现代版本与注释文本中常引入 commensalism 术语来阐释物种互动)
  • Rachel Carson Silent Spring(涉及生态系统中物种关系的讨论;相关生态学语境中常出现或被引用该术语)
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