V2EX phototroph

Phototroph

释义 Definition

光能营养生物;光养生物:指以光作为能量来源来合成有机物并维持生长的生物(常见于植物、藻类、蓝细菌等)。在更细的分类中,很多光能营养生物也属于“自养生物”(利用二氧化碳作为碳源),但也存在以有机物为碳源的光能营养生物。

发音 Pronunciation

/fototrof/

例句 Examples

Phototrophs use sunlight to make energy.
光能营养生物利用阳光来获取能量。

In the pond, algae act as phototrophs, forming the base of the food web by converting light into chemical energy.
在池塘里,藻类作为光能营养生物,通过把光能转化为化学能来构成食物网的基础。

词源 Etymology

来自希腊语词根:**photo-**(光)+ -troph(营养、摄食者/供养)。字面意思是“以光为营养(能量来源)的生物”。相关术语中常见 -troph,如 heterotroph(异养生物)。

相关词 Related Words

文学作品 Literary Works

该词更常见于生物学与生态学教材、科研论文与科普写作中,在传统文学作品中出现较少。在现代科普与自然写作里,常以讨论“生态系统能量流动、初级生产者、光合作用”的语境出现。

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