This behavior may have evolved as dogs gradually learned they could benefit from avoiding conflicts with humans.
狗逐渐认识到避免与人类发生冲突是有益的，所以可能会逐步形成这种行为。
We have evolved as perspicuous of animals.
我们已经进化成为通达的动物了。
Many local indigenous institutions have evolved as the people affected have tried to find better ways of organizing joint activities.
许多地方性的内生制度是伴随着那些受到影响的人们寻找更好组织他们联合行动的努力而演进的。
"CO2 detection could have evolved as a mechanism to recognize CO2-producing sources - for instance, to avoid fermenting foods," they wrote.
“二氧化碳探察可能演变为一种识别二氧化碳生产源的机能——例如，避免发酵食品。”他们写道。
But as page design has evolved to deliver information in a 'broadband' format, I wonder whether we have evolved as quickly as the content we consume.
但是当页面设计演化到以“宽带”的形式传递信息时，我怀疑我们是否同时也进化到具有快速消化其内容的能力。
One theory is that crying may have evolved as a kind of signal — a signal that was valuable because it could only be picked up by those closest to us who could actually see our tears.
有一种进化理论认为，流泪可能被演化为一个有价值的信号，因为它只能让实际上最靠近我们的人可以看到我们在流泪。
Early humans may have evolved as prey animals rather than as predators, suggest the remains of our prehistoric primate ancestors that were devoured by hungry birds and carnivorous mammals.
早期人类更多的是作为一个猎物，而不是猎人。新发现的史前灵长类祖先化石验证了这一点，他们经常被饥饿的鸟类和肉食哺乳动物吞食。
As schools have changed in the past century, the midday meal container has evolved right along with them.
在过去的一个世纪里，午餐盒的样式随着着学校的演变而改变。
Because the oil is used as a reserve nutrient—like fat—diatoms have evolved no mechanism to secrete it.
由于油的作用是营养储备——就象脂肪似的——所以硅藻没有进化出分泌油份的机制。
That makes sense, my dog uses her tail to communicate too and it's certainly true that we humans have various body parts evolved for one purpose and used as communication tools as well.
这也说得通，我的狗也是用它的尾巴来交流，而且毫无疑问，我们人类也有许多身体部位是为别的目的演化而来，但却被当成交流工具了。
In either case, its legs must have become less useful as the animal evolved over time.
不管是那种情况，它的腿在长期的进化过程中渐渐的没有用了。
Yet as I think of that great eucalyptus forest in Australia, I can't help wondering. Have the trees actually evolved to make the fires worse?
但当我想起澳大利亚那片广阔的桉树林，我还是禁不住遐想：树的进化真的让火势更加猛烈了吗？
To generate useful energy, plants have evolved very sophisticated "nano-machinery" which operates with light as its energy source and gives a perfect quantum yield of 100%.
为了产生有效能，植物进化出了异常精密的“纳米机器”，它以光为能量来源，光能转化率达到了完美的100％。
Like many introduced species, American mink can slash their way through the ecosystem, as they have no native predators, and their prey species haven't evolved to avoid them.
就如许多引进的物种一样，美国貂也能通过生态系统杀出一片生机，因为它们没有本土的天敌，而它们所掠食的物种还没有进化到可以躲避它们的掠食。
The traits that slime molds share in common, like making spores, may have first evolved as they came ashore.
黏菌的共同特征，像产生孢子，可能是在到达陆地后最先进化的。
Internet security is a critical issue as threats have evolved from the level of "stupid programmer tricks" to sophisticated malware and even international cyber-warfare.
互联网安全更是一个严重的问题，因为网络上的威胁已经从“愚蠢程序员的小把戏”的程度演化到了高深莫测的黑客软件甚至全球性的网络大战的地步。
As much as it may have evolved, in the human animal, as a motivation system for mate-finding, it was rarely given great consideration in the final reckoning of conjugal choice.
人类动物的择偶激励系统虽然可能一再进化，但在做配偶选择的最后决定时却几乎不怎么考虑。
America's community colleges have evolved far from their original roles as specialized extensions of high schools.
美国社区大学原来只扮演作为普通高中补充的角色，但是现在却已经涵盖更多的内容。
"Most of our biological systems require sodium to function properly, but as a species that didn't have ready access to it, our kidneys evolved to become salt misers," Johnson said.
“我们大部分的生理系统需要钠元素来维持正常工作，不过由于我们这个物种那时很难得到它，因此肾脏在进化过程中就变得对于盐特别吝惜。”Johnson说。
Since natural systems have evolved not only to cope with noise but to exploit it, as neurons do with stochastic resonance, could it be that nature has also learned to compute with noise?
既然自然系统进化出了不光能应对，还能利用噪音的系统，比如神经元利用随机共振，有没有可能自然也发现了使用噪音进行计算的发放？
He also thinks that we may have evolved to display sadness as a form of communication.
他同时认为，我们也许已经将表现悲伤变成一种交流的方式。
As we noted at the beginning, these principles have evolved from their origins over a decade ago, when software developers generally worked in a somewhat more limited context.
正如我们开始时注意到的，这些原则是从十余年前它们的原型演化而来的，那时软件开发者的工作环境基本上是更为有限的。
As we have evolved into high-tech beings, we have abandoned the body by living virtual lives that over-emphasize the mind.
随着我们“进化”为“高科技生物”，我们沉浸在过分强调思想的虚拟生活当中，抛弃了我们的身体。
Therefore the first bird that evolved into what we would call a chicken, probably in prehistoric times, must have first existed as an embryo inside an egg.
因此很可能在史前时代，第一只进化成为我们称之为鸡的鸟，应当首先是以蛋壳内的鸡胚形式存在。
Clearly, Volvox evolved from similar algae that exist only as single cells, but until now the genetics of the process have been obscure.
毫无疑问团藻是由类似的只以单细胞形式存在的藻类进化而来，但直到现在这一过程的遗传学原理依然模糊不清。
The model does not, however, explain how smaller galaxies such as our own have evolved to contain an SMBH at their centre.
但是这个模型并能解释较小的星系(比如银河系)是如何在其星系中心形成超大质量黑洞的。
Women may also have evolved extra-sensitivity to interpersonal cues as a way to avoid conflict, a state that can feel intolerable to women, according to Brizendine.
女性也可能将其超级敏感转变为人际线索作为避免冲突的一个途径，一种让女性难以忍受的状态，根据布里曾丹的话。
The controversial implication: modern humans may not have evolved just in Africa, as most scientists believe, but may have emerged simultaneously in several regions of the globe.
一个有争议的推论是：现代人不可能如大多数科学家信奉的那样只是在非洲进化来的，而可能是同时在地球上不同的几个区域进化来的。
Women may also have evolved extra-sensitivity to interpersonal cues as a way to avoid conflict.
女人也可能为了避免冲突，从而对人际关系中的蛛丝马迹格外敏感。
Women may also have evolved extra-sensitivity to interpersonal cues as a way to avoid conflict.
女人也可能为了避免冲突，从而对人际关系中的蛛丝马迹格外敏感。
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