Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun biology The synthesis of food from inorganic substances, using heat or light as a source of energy

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

auto- + -trophy

Examples

  • However, some rely on sunlight and photosynthesis or the energy contained in some inorganic compounds (autotrophy or self-feeding).

    Marine microbes

  • However, those authors observed that it was not possible to determine how much of that CO2 flux into shelf waters is a result of elevated atmospheric CO2, and how much represents shelf autotrophy.

    Coastal zone

  • The heterogeneity about a net metabolism near 0 is a more striking characteristic than a strong trend towards net autotrophy versus heterotrophy.

    Featured Articles - Encyclopedia of Earth

  • Approximately 200 budgets demonstrate the extreme heterogeneity of the coastal zone, with most of the variability towards both autotrophy and heterotrophy being in smaller systems.

    Featured Articles - Encyclopedia of Earth

  • "Thermodynamic constraints mean that chemiosmosis is strictly necessary for carbon and energy metabolism in all organisms that grow from simple chemical ingredients [autotrophy] today, and presumably the first free-living cells," said Lane.

    Space Business and Industry News at SpaceMart.com

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