总的来说，有关这种物质的起源可归结为两种主要的理论，无机起源论和有机起源理论。
In general, there are two main groups of theories about the origin of these substances, the inorganic and the organic one.
伦敦的美食酒吧Duke of Cambridge也许是所有这些活动的起源，他是英国第一家获得有机认证的餐馆——已经快十年了。
The London gastro-pub Duke of Cambridge, perhaps the original spark for much of this activity, was the first restaurant in England to receive an organic certification—nearly a decade ago.
在《物种起源》之前，所有有机物都或多或少与树的族谱有古老的联系。
After the "Origin," all organisms became connected, part of the same, profoundly ancient, family tree.
因为有机社交网络起源于本地关系，所以它们可以提供有意义且数量众多的支持。
Because organic social networks arise from local relationships, they can provide meaningful and significant forms of support.
大部分美国的有机认证机构都是非营利的认证办事处，比如NOFA -NY，这些机构都是起源于有机农耕协会。
Most of the organic certifications in the US are done by not-for-profit certification agencies, like that of NOFA-NY, that originated from organic farming associations.
实际上，关于在遥远的过去生命起源不止一次，以及完全与地表任何东西无关联的少量有机体生物圈的存在，这都是胡说八道。
Indeed, there is loose talk of life having originated more than once in the distant past, and of there being entire shadow biospheres of organisms completely unrelated to anything on the surface.
这一重要事实，是有关碳氢化合物起源的沉积-有机理论的论证基础之一。
This fundamental truth is one of the cornerstones of the sedimentary-organic theory for the origin of hydrocarbons.
研究有机体的起源，解剖学，生理学，繁殖和行为，并研究他们与所生活的环境相作用的方式。
Studies the origin, anatomy, physiology, reproduction and behaviour of living organisms and the ways in which they interact with the environment in which they live.
研究有机体的起源，解剖学，生理学，繁殖和行为，并研究他们与所生活的环境相作用的方式。
Studies the origin, anatomy, physiology, reproduction and behaviour of living organisms and the ways in which they interact with the environment in which they live.
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