V2EX photoautotroph

Photoautotroph

释义 Definition

photoautotroph(光能自养生物):指利用光能作为能量来源,并以二氧化碳(CO)等无机碳为碳源来合成有机物的生物。常见例子包括植物、藻类、蓝细菌(cyanobacteria)等。(在不同语境中也可能涉及具体的代谢途径,如光合作用。)

发音 Pronunciation (IPA)

/fotottrof/

例句 Examples

Many algae are photoautotrophs.
许多藻类都是光能自养生物。

In aquatic ecosystems, photoautotrophs form the base of the food web by converting sunlight and carbon dioxide into biomass that supports higher trophic levels.
在水生生态系统中,光能自养生物通过把阳光和二氧化碳转化为生物量,构成食物网的基础并支撑更高营养级。

词源 Etymology

该词由三部分构成:**photo-**(来自希腊语 *phōs/phōt-*,意为“光”)+ auto-(来自希腊语 autos,意为“自己”)+ -troph(来自希腊语 trophē,意为“营养/喂养”)。合起来表示“用光获取能量、自己制造营养”的生物。

相关词 Reated Words

文学与著作 Literary Works

  • Campbell Biology(《坎贝尔生物学》)在生态系统与能量流动、初级生产者等章节中常用到该术语。
  • Brock Biology of Microorganisms(《布洛克微生物学》)讨论微生物代谢类型与营养方式时会出现该词。
  • Principles of Microbiology / Microbiology: An Introduction(多部微生物学教材常见术语)在“营养类型(nutritional types)”分类中使用“photoautotroph”。
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