物理化学指标是检测生态系统的非生物环境的指标。
The physical chemical indicators relate to the abiotic environment of an ecosystem.
通常，在一个活跃的微生物环境的聚合物成为看不见的12个星期内肉眼。
Typically, in an active microbial environment the polymer becomes invisible to the naked eye within 12 weeks.
月石油泄漏事件前的数据和泄漏后的数据，从而帮助科学家评估本次石油泄露对海洋生物环境的影响。 Ausubel
Current and future studies of the area where the oil rig exploded in April will be able to take into account the recent pre-spill data to help assess the incident's ecological impact.
根据法律规定，发放生物控制剂必须得到环境国务秘书的批准。
According to law, the release of the biological control agents must be authorized by the secretary of state for the environment.
那些最适应环境的生物将是那些存活下来的。
Those organisms that are most suited to the environment will be those that will survive.
在石膏层上方和下方的沉积物中含有许多小型海洋生物化石，这表明这里的海洋环境很开放。
Sediment above and below the gypsum layer contained tiny marine fossils, indicating open-ocean conditions.
这些双胞胎帮助科学家了解环境与生物学之间的联系。
These twins help scientists understand the connection between environment and biology.
所以我们一直在讨论营养，环境中的元素对于生物体的发展，健康的生活和繁殖是必不可少的。
So we've been talking about nutrients, the elements in the environment that are essential for living organisms to develop, live a healthy life, and reproduce.
马萨诸塞州伍斯特市克拉克大学地理研究生院的生物学副教授多米尼克·库拉科夫斯基说：“越来越多的人把房子建在了容易起火的环境之中。”
"We are increasingly building our homes in fire-prone ecosystems," says Dominik Kulakowski, adjunct professor of biology at Clark University Graduate School of Geography in Worcester, Massachusetts.
农业是在大自然中进行的；大自然里的生态系统中各种生物和活动相互影响，而粮食的生产正是处在这样的生态环境中。
Agriculture takes place in nature, among ecosystems of interacting organisms and activity, and crop production takes place within that ecosystem environment.
研究表观遗传学的一个方法是通过揭示环境直接影响基因的机制来彻底改变我们对生物学的理解。
One way the study of epigenetics is revolutionizing our understanding of biology is by revealing a mechanism by which the environment directly impacts on genes.
分子生物学的新技术使最近的工作成为可能，这种新技术能在环境中检测到低浓度的病毒DNA。
The recent work has been made possible by new techniques of molecular biology that allow viral DNA to be detected at low concentrations in the environment.
除了粮食产量之外，还有许多不同的方法来衡量农业表现：能源使用、环境成本、水的纯度、碳足迹和生物多样性。
There are many different ways to measure agricultural performance besides food yield: energy use, environmental costs, water purity, carbon footprint and biodiversity.
例如，彼得·谢尔登对于三叶虫的研究，那是一种已灭绝的身体分节的海洋生物，他的研究让我们得以一窥三百万年以来一个海洋环境的进化过程。
For example, Peter Sheldon' s studies of trilobites, a now extinct marine animal with a segmented body, offer a detailed glimpse into three million years of evolution in one marine environment.
尽管科学家观察到生物体的行为具有节律性，但当生物体被运送到一个新的环境时，这些模式是如何被影响的，他们意见不一。
Although scientists observe that an organism's behavior falls into rhythmic patterns, they disagree about how these patterns are affected when the organism is transported to a new environment.
对世界各地的生物医学研究人员来说，双胞胎提供了一个宝贵的机会，来解开基因和环境——也就是先天和后天的影响之谜。
To biomedical researchers all over the world, twins offer a precious opportunity to untangle the influence of genes and the environment—of nature and nurture.
我们可能不会看到生物燃料使用的增加——我的意思是，在我们找到方法以更低的成本、更快的速度和更少的环境成本生产它们之前，它们不会取代化石燃料。
We probably won't see an increase in biofuel use—I mean, they won't replace fossil fuels until we can find ways to produce them cheaply and quickly and with less cost to the environment.
原因很容易理解：在自然界中，现存的生物要么适应环境，要么被新物种取代。
The reason for this is easy to recognise: in nature, the existent organisms either adapt or are regularly replaced by new types.
如果生物体死于一个快速沉积和缺氧的环境，那么软组织残骸实际保存下来的可能性会提高。
The probability that actual remains of soft tissue will be preserved is improved if the organism dies in an environment of rapid deposition and oxygen deprivation.
如果是这样的话，绿藻就会受到环境压力的影响，从而产生适应性，提高它们产生陆地生物或有机体的潜力。
If so, the green algae would have been subjected to environmental pressures that resulted in adaptations that enhanced their potential to give rise to land-dwelling or organisms.
据一项今年早些时候发布的研究报告称，这些化石可以揭示出恐龙和其它生物所生活的环境。
Such fossils help reveal the conditions dinosaurs and other creatures lived in, according to a study published earlier this year.
生态学，即研究生物与其环境之间关系的科学，在石油地质中也很重要。
Ecology, the study of the relationship between living organisms and their environment, is also important in petroleum geology.
外基因改变是受环境压力后的生物反应。
Epigenetic changes represent a biological response to an environmental stressor.
这个由多种生物构成的复杂环境，充满风险和防护因子，仍然还无法具体描绘。
The biological components of this complex landscape of risk and protective factors remain largely uncharacterised.
它也是最新型的极端微生物，或是在极端环境下生长的生命形式。
It's also the newest extremophile, or life form that thrives in extreme environments.
在观察的基础之上，作者作出结论：长期的气候变化可能影响到了深海生物群落以及深海环境中的化学现象。
Based on their observations, the authors conclude that long-term climate change is likely to influence both deep-sea communities and the chemistry of their environment.
研究人过去一直认为，只有原核生物和原生生物这样的单细胞生物才能够在深海的缺氧环境中生存。
Researchers had thought that only single-celled organisms such as prokaryotes and protozoa could live in the oxygen-deprived environments of the deepest ocean.
思维是生物体对环境的一套完整的判断与管理系统。
It is a complete judgement and management system that the creatures have to the environment.
这样的噩梦将帮助生物在安全环境中磨炼他们的躲避能力，并让生物为真实情况做最好的准备。
Such nightmares would help organisms hone their avoidance skills in a protective environment, and ideally prepare organisms for a real-life situation.
这样的噩梦将帮助生物在安全环境中磨炼他们的躲避能力，并让生物为真实情况做最好的准备。
Such nightmares would help organisms hone their avoidance skills in a protective environment, and ideally prepare organisms for a real-life situation.
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