V2EX adaptive trait

Adaptive Trait

释义 Definition

适应性性状 / 适应性特征:在特定环境中能提高个体生存繁殖成功率的遗传或表型特征,因此更可能在种群中被自然选择保留下来。(也常用于进化生物学与生态学语境)

发音 Pronunciation (IPA)

/dptv tret/

例句 Examples

An adaptive trait helps an animal survive in its habitat.
适应性性状能帮助动物在其栖息地中生存。

In a changing climate, what was once an adaptive trait can become a disadvantage, reshaping selection pressures across generations.
在气候变化的背景下,曾经的适应性性状可能转而变成劣势,从而在世代更替中重塑选择压力。

词源 Etymology

adaptive 来自 “adapt(使适应)”,其词根含义与“调整以适合环境”有关;trait 表示“特征/性状”。合在一起,adaptive trait 字面即“有助于适应的特征”,在现代进化论框架中通常指能提升适合度(fitness)的性状。

相关词 Related Words

文学与名著中的用例 Literary Works

  • Richard Dawkins, The Selfish Gene(《自私的基因》)常以“适应性性状”的思路讨论基因如何通过表型影响复制成功。
  • Richard Dawkins, The Extended Phenotype(《延伸的表型》)围绕性状的适应意义与选择机制展开。
  • Douglas J. Futuyma, Evolution(《进化》)教材型著作中频繁使用该术语讲解自然选择与性状演化。
  • Charles Darwin, On the Origin of Species(《物种起源》)虽未必固定使用该短语,但核心论述即围绕“有利性状如何在选择中累积”的思想框架。
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