V2EX autotrophic

Autotrophic

释义 Definition

自养的;自养型的:指生物能够利用无机物(如二氧化碳、无机盐)合成自身所需的有机物,通常通过光合作用化能合成获取能量。(在生态学中常与“异养 heterotrophic”对比;也有名词用法 autotroph 表示“自养生物”。)

例句 Examples

Green plants are autotrophic because they make sugar from carbon dioxide and water.
绿色植物是自养的,因为它们能用二氧化碳和水合成糖。

In many ecosystems, autotrophic organisms form the base of the food web, supporting heterotrophic consumers at higher trophic levels.
在许多生态系统中,自养生物构成食物网的基础,为更高营养级的异养消费者提供能量与物质来源。

发音 Pronunciation (IPA)

/ttrfk/

词源 Etymology

autotrophic 来自希腊语构词:**auto-**(“自我、自己”)+ -troph(与“营养、摄食”相关,源自 trophē “食物/营养”)+ 形容词后缀 -ic。字面含义接近“自己供养自己的”,因此用于描述能“自给自足”合成有机物的生物或代谢方式。

相关词 Related Words

文献与著作 Notable Works

  • Campbell Biology(《坎贝尔生物学》):用于讲解自养与异养、光合作用与生态系统能量流动。
  • Brock Biology of Microorganisms(《布洛克微生物学》):常在微生物代谢章节讨论化能自养(chemoautotrophic)等类型。
  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》):在代谢与能量转换相关内容中涉及自养生物的碳固定与能量获取路径。
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