单词	photoautotroph
释义	photoautotroph noun pho·​to·​au·​to·​troph ˌfō-tō-ˈȯ-tə-ˌtrȯf  plural photoautotrophs : a photosynthetic organism (such as a green plant or a cyanobacterium) that utilizes energy from light to synthesize organic molecules Green plants that convert carbon dioxide into carbohydrates in the presence of sunlight are called photoautotrophs, and they are the primary producers in most marine and terrestrial ecosystems. James J. Childress et al. Word History First Known Use 1939, in the meaning defined above Medical Definition photoautotroph noun pho·​to·​au·​to·​troph ˌfōt-ō-ˈȯt-ə-ˌtrōf  : a photoautotrophic organism
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