biogenic

/ˌbaɪoʊˈdʒɛnɪk/
adjective
  1. Produced by or resulting from the activity of living organisms.
    • Biogenic gases like methane are released by bacteria in swamps.
    • The soil is rich in biogenic materials from decomposed plants and animals.
    • Limestone is often a biogenic rock formed from the shells of marine creatures.
Antonyms
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