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 p-ssed 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 […]