V2EX protist

Protist

定义 Definition

protist(原生生物/原生生物界成员):指通常为单细胞的真核生物,生活在水中或潮湿环境中;包括一些类似动物、植物或真菌特征的微生物(如变形虫、草履虫、某些藻类等)。在现代生物分类中,“protist”仍常用作统称,但其分类地位在不同体系中可能有所变化。

发音 Pronunciation (IPA)

/protst/

例句 Examples

A protist can be a single-celled organism living in water.
原生生物可能是生活在水中的单细胞生物。

Scientists study protists to understand how complex cells and early ecosystems evolved.
科学家研究原生生物,以了解复杂细胞以及早期生态系统是如何演化的。

词源 Etymology

来自希腊语 prōtistos,意为“最早的、第一的(the very first)”,与 proto-(原、初、最早) 同源。该词在生物学语境中用来指代被认为较“原始/早期”的真核生物类群(按历史用法而非价值判断)。

相关词 Related Words

文学作品 Literary Works

  • Charles Darwin, On the Origin of Species(《物种起源》):讨论生命演化与分类时常涉及“原生生物/原生动物”等早期术语与相关概念。
  • Ernst Haeckel, The History of Creation(《创造的历史》):在早期进化论与生物分类讨论中出现“Protista(原生生物)”等用法。
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