Octopamine(OA) constitutes one of biogenic amines in the invertebrate nervous system. 章鱼胺(OA)是昆虫体内的痕量神经活性物质。
Taking into account of the biogenic components, the algal dolomite, the main component of algal reefs, consisted of Cladosiphonia sinensis, Serpula shandongensis etc. 礁体在成分上以枝管藻、龙介虫等构成的藻白云岩为主，具有良好的储集性能。
The majority of people would say that there's no really biogenic activity in this meteorite from Mars.
多数人会说来自这个火星早期的陨石其实没有生物活动。
英语百科
Biogenic substance
A biogenic substance is a substance produced by life processes. It may be either constituents, or secretions, of plants or animals. A more specific name for these substances is biomolecules.