V2EX autotroph

Autotroph

释义 Definition

自养生物;自养型(生物):能够利用无机物(如二氧化碳)合成有机物来获取能量与物质来源的生物,通常通过光合作用化能合成完成。常见于植物、藻类、部分细菌与古菌。

发音 Pronunciation (IPA)

/ttrf/(英) ; /ttrof/(美)

例句 Examples

An autotroph makes its own food using sunlight.
自养生物利用阳光制造自己的“食物”(有机物)。

In many ecosystems, autotrophs form the base of the food web by converting carbon dioxide into organic matter through photosynthesis or chemosynthesis.
在许多生态系统中,自养生物通过光合作用或化能合成把二氧化碳转化为有机物,从而构成食物网的基础。

词源 Etymology

来自希腊语词根:auto-(“自己”)+ -troph(与“营养、摄食”相关,源自 trophē “营养/食物”)。字面意思就是“自己供养自己”,对应其“自制有机物、自己获取营养来源”的特点。

相关词 Related Words

文学与著作 Literary Works

  • Campbell Biology(《坎贝尔生物学》)在生态学与能量流动章节中常用 autotroph 区分自养与异养生物。
  • Brock Biology of Microorganisms(《布洛克微生物学》)讨论光能自养、化能自养微生物时频繁出现。
  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)在光合作用与碳固定相关内容中使用该术语。
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