What is the first step in evolution?
进化的第一步是什么？
The idea of irreversibility in evolution stuck and came to be known as "Dollo's law".
进化中不可逆性的观点得到了证明，并被称为“多洛法则”。
Most researchers expect to find that both modes of transition from one species to another are at work in evolution.
大多数研究人员希望发现从一个物种到另一个物种的两种转变模式都在进化中起作用。
Don't you believe in evolution?
难道你不相信进化论吗？
你相信进化论吗？
Ross: You don't believe in evolution?
你不相信进化论？
The future is a new invention in evolution.
“未来”是在进化过程中新的创造。
And that's the explanation that exists in evolution.
而这也是进化论中存在的一种解释。
Scientists are now considering the role of chance in evolution.
科学工作者们正在考虑偶然机会在进化中所起的作用。
If there's any deviation in evolution process, could we still exist?
如果演化过程出现任何偏差，我们还会存在吗？
“This is a key point in evolution, ” Dr. Berg said, “when RNA learned to make proteins.”
这是进化的关键点，Berg博士说，当RNA学会如何制造蛋白质的那一刻。
The value of RAPD fingerprints in evolution and relationship study was also discussed.
本文还对RAPD指纹在亲缘演化关系研究中的价值进行了讨论。
In other words, it unleashes another dimension in evolution by enlarging its library of forms.
换句话说，它通过对形式库进行扩充而释放出了进化过程的另外一个维度。
How to locate human being in evolution history and how to find our ancient families and ancestors?
如何在进化历史中为人类定位？如何找到我们古老的家族和祖先？
This kind of plasticity may play a vital role in evolution as well as during the lifetime of individuals.
这种可塑性不仅贯穿生命个体的一生，也许对进化也产生了至关重要的作用。
Reconstruction of phylogenetic tree of organisms is one of the most important problems in evolution study.
重建系统演化树是进化研究的一个极为重要的方面。
Now scientists say that by separating our heads from our bodies, the neck gave our brains a leg up in evolution.
现在科学家宣称脖子通过将我们的头部从躯干上分离开，给大脑的进化助了一臂之力。
These mutations - where one letter of the DNA code is substituted for another - are a first step in evolution.
这些变异(即：DNA的代码中一个字母被另一个取代)是进化中的第一步。
Even if we consider there might be civilizations closer to us in evolution, there is absolutely nothing on Earth they need.
即使我们觉得存在进化上接近我们的地外文明，但是地球上绝对没有它们需要的东西。
If you look back in evolution to say, the sea slug Aplysia, you see that the building blocks of this brain have not changed.
如果我们回首看进化早期的生物，以海蛞蝓类的海兔为例，你会发现脑的基本构成没有改变。
Ciliate, a unicellular protozoa and low eukaryotes in evolution, has perfect vesicular trafficking system among organelles.
纤毛虫是单细胞的原生动物，在进化上属于低等的真核生物，但其各细胞器之间囊泡运输系统极为完善。
We have incorporated genetics, and expanded and refined our understanding of natural selection, and of the other forces in evolution.
我们已经吸纳了遗传学，扩大和完善我们对于自然选择及其它进化力量的理解。
Only 23% of them accept that there is solid evidence of man-caused global warming, for example; about as many as believe in evolution.
如比，他们中只有23%的人认为有确凿的证据证明人类活动引起全球变暖；这与相信进化论的人数相差无几。
A special system for emotional memories makes excellent sense in evolution... But emotional memories can be faulty guides to the present.
情绪化记忆的专门系统在进化过程中有非常重要的意义…但这些情绪化记忆在今天可能会误导我们的行为。
From the synchronous differences in the endangered languages, we can confirm and confer its endangered status and its trends in evolution.
从濒危语言共时呈现出的差异可以印证和推测其濒危的状况和演变趋势。
This raised the astonishing possibility that the ancestor of all dinosaurs had hairlike feathers and that some species lost them later in evolution.
于是有学者提出了这样一种令人惊讶的可能性，是不是所有恐龙的祖先都拥有细长的羽毛，只是某些物种在进化过程中渐渐失去了这些羽毛。
Andrew Hudson at the University of Edinburgh says there is a clear implication that "DNA methylation and epigenetic changes are important in evolution."
爱丁堡大学的AndrewHudson表示，这明显意味着“DNA甲基化和表观基因变异在进化中是非常重要的”。
In the isothermal condition, the effect of temperature was introduced by temperature terms in evolution equations of isotropic deforming resistance.
在等温条件下，在各向同性变形阻力演化方程中引入温度项来考虑温度效应。
REM sleep, the brain state most highly correlated with anxious, angry dreams, occurs late in evolution and early in the lives of those creatures which have REM.
在快速动眼睡眠中，大脑的状态与焦虑和生气的梦联系最紧密，这种现象发生在进化末期，以及那些有此类睡眠的动物的早期生活。
REM sleep, the brain state most highly correlated with anxious, angry dreams, occurs late in evolution and early in the lives of those creatures which have REM.
在快速动眼睡眠中，大脑的状态与焦虑和生气的梦联系最紧密，这种现象发生在进化末期，以及那些有此类睡眠的动物的早期生活。
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