Deep-sea hydrothermal vents release various chemicals, including high concentrations of hydrogen sulfide (H₂S). Chemosynthetic bacteria utilize the energy released from the oxidation of H₂S and other reduced inorganic compounds to synthesize organic molecules, forming the base of the food web in these aphotic environments.
Chemosynthetic bacteria found near sub- marine volcanic vents feed on:
Asked in UPSC Geoscientist 2020 · Topic: Taxonomy (Chemotaxonomy and Cytotaxonomy)
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