Autotroph

Science / Marine Biology / Autotroph: An organism that synthesizes organic molecules from inorganic starting materials through photosynthesis or chemosynthesis. Autotrophs are ecologically important as primary producers as they ultimately provide energy for all heterotrophic organisms. See also chemosynthesis, photosynthesis; compare heteroptroph.

Autotrophic

Science / Biology / Autotrophic: Refers to organisms that synthesize their nutrients and obtain their energy from inorganic raw materials. MORE

Autotrophs

Science / Biology / Autotrophs: Organisms that synthesize their own nutrients; include some bacteria that are able to synthesize organic molecules from simpler inorganic compounds. MORE

Heterotroph

Science / Marine Biology / Heterotroph: An organism that is unable to synthesize organic compounds (and thus its energy) from the environment and therefore fulfils its energy requirements by feeding on other organisms or organic matter. Com MORE

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