Chemosynthesis: Primary production of organic matter, using various substances instead of light as an energy source; confined to a few groups of microorganisms

 

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Chemosynthesis: Primary production of organic matter, using various substances instead of light as an energy source; confined to a few groups of microorganisms

Primary Production: The production of living matter by photosynthesizing organisms or by chemosynthesizing organisms. Usually expressed as grams of carbon per square meter per year

Photosynthesis: The process by which plant cells use solar energy to produce ATP. The conversion of unusable sunlight energy into usable chemical energy, associated with the actions of chlorophyll.

Autotroph: An organism that synthesizes organic molecules from inorganic starting materials through photosynthesis or chemosynthesis. Autotrophs are ecologically important as primary producers as they . . . View Full Definition