Biogenic
resulting from the activity of living organisms, as fermentation.
necessary for the life process, as food and water.
adjective
produced or originating from a living organism
adj.
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- Biogenous
the production of living organisms from other living organisms. noun the principle that a living organism must originate from a parent organism similar to itself Compare abiogenesis n. bi’o·ge·net’ic (-jə-nět’ĭk) or bi’o·ge·net’i·cal (-ĭ-kəl) adj. biogenesis (bī’ō-jěn’ĭ-sĭs) Generation of living organisms from other living organisms.
- Biogeny
the production of living organisms from other living organisms. Historical Examples Education: How Old The New James J. Walsh The Wonders of Life Ernst Haeckel noun the principle that a living organism must originate from a parent organism similar to itself Compare abiogenesis n. n. bi’o·ge·net’ic (-jə-nět’ĭk) or bi’o·ge·net’i·cal (-ĭ-kəl) adj. biogenesis (bī’ō-jěn’ĭ-sĭs) Generation of […]
- Biogeochemical
the science dealing with the relationship between the geochemistry of a given region and its flora and fauna, including the circulation of such elements as carbon and nitrogen between the environment and the cells of living organisms. biogeochemistry (bī’ō-jē’ō-kěm’ĭ-strē) The scientific study of the relationship between the geochemistry of a region and the animal and […]
- Biogeochemical cycle
biogeochemical cycle biogeochemical cycle (bī’ō-jē’ō-kěm’ĭ-kəl) The flow of chemical elements and compounds between living organisms and the physical environment. Chemicals absorbed or ingested by organisms are passed through the food chain and returned to the soil, air, and water by such mechanisms as respiration, excretion, and decomposition. As an element moves through this cycle, it […]