chemoautotrophy

(verb)

When a simple organism, such as a protozoan, derives its energy from chemical processes rather than photosynthesis.

Related Terms

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Examples of chemoautotrophy in the following topics:

  • Productivity within Trophic Levels

    • The productivity of the primary producers is especially important in any ecosystem because these organisms bring energy to other living organisms by photoautotrophy or chemoautotrophy.
    • Photoautotrophy is the process by which an organism (such as a green plant) synthesizes its own food from inorganic material using light as a source of energy; chemoautotrophy, on the other hand, is the process by which simple organisms (such as bacteria or archaea) derive energy from chemical processes rather than photosynthesis.
  • Modern Microbiology

    • Winogradsky was the first to develop the concept of chemoautotrophy and to thereby reveal the essential role microorganisms played in geochemical processes.
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