You searched for: “biogenic
Produced by a living organism or resulting from the actions of living organisms; such as, fermentation, necessary for life processes, including food and water.
Word Entries containing the term: “biogenic
biogenic theory
The theory that fossil fuels represent the altered remains of ancient plant and animal life deposited in sedimentary rocks, and therefore have a biological origin.

Generally accepted in preference to the abiogenic theory that hydrocarbon deposits became part of the earth as it formed.