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- noun biology The
synthesisof foodfrom inorganicsubstances, using heat or light as a source of energy
from Wiktionary, Creative Commons Attribution/Share-Alike License
However, some rely on sunlight and photosynthesis or the energy contained in some inorganic compounds (autotrophy or self-feeding).
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.
The heterogeneity about a net metabolism near 0 is a more striking characteristic than a strong trend towards net autotrophy versus heterotrophy.
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.
"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.