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photoautotrophic

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
pho·to·au·to·troph  (ftt-trf, -trf)
n.
An organism capable of synthesizing its own food from inorganic substances using light as an energy source. Green plants and photosynthetic bacteria are photoautotrophs.

photo·auto·trophic adj.
photo·auto·trophi·cal·ly adv.

photoautotrophic [ˌfəʊtəʊˌɔːtəʊˈtrɒfɪk]
adj
(Life Sciences & Allied Applications / Botany) (of plants) capable of using light as the energy source in the synthesis of food from inorganic matter See also photosynthesis


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It is likely, however, that animal tissues consumed by predators would have a similar percent of carbohydrate and protein, and any preferential incorporation of a nutrient type (protein for example) would occur equally regardless of chemoautotrophic or photoautotrophic source.
Conclusion The earliest living system was possibly photoautotrophic in nature.
Many are photoautotrophic, although some groups contain members that are mixotrophic, deriving energy both from photosynthesis and uptake of organic carbon either by osmotrophy, myzotrophy, or phagotrophy.
 
 
 
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