Natural selection rewarded our ancestors for collaboration, and for forming connections with each other.

在物竞天择中，我们的祖先互相合作，并且建立彼此的关系而存活下来。

Natural selection is the cornerstone principle of evolution.

物竞天择说是进化论的基础原则。

The beak shapes of different species of Galapagos finches played an important part in Darwin's conception of natural selection.

加拉帕戈群岛不同雀类的鸟喙形状在达尔文的自然选择学说中扮演了重要角色。

Charles Darwin is famous for describing evolution by natural selection.

查尔斯·达尔文因通过自然选择描述进化而闻名。

Perhaps eventually we could see life re-emerging slowly as traits, such as reduced oxygen-concentration concentration requirements and increased cellular resistance to UV radiation evolve via natural selection and mutation in both plants and animals.

也许最终，我们可以看到生命慢慢地重新出现，通过自然选择和动植物的突变，降低了氧气浓度的要求，增强了细胞紫外线辐射的抵抗力。

The one we know best is Darwinian natural selection.

其中最广为知的理论之一就是 达尔文的自然选择论。

Prey animals routinely attacked by venomous predators are under powerful pressure from natural selection.

经常被有毒捕食者袭击的猎物都承受着来自自然选择的巨大压力。

In the wild, any individual manifesting them would probably get short shrift from natural selection.

在野外，任何表现出这的个体都可能会受到自然选择的冷落。

Such a genetic tweak would ordinarily be winnowed out by natural selection over subsequent generations.

这样的基因变异通常会在后代的自然选择中被淘汰掉。

In doing so, they have brought to robotics the principles of evolution by natural selection.

在此过程中，他们把通过自然选择来实现进化的原理引入了机器科学领域。

We've created the next chapter in natural selection.

我们创造了自然选择新的篇章。

It causes natural selection, which causes the prey species to become faster, stronger, quicker.

这推动了自然选择，使猎物物种变得更快、更强、更敏捷。

This is a form of sexual selection and is subject to natural selection.

这是一种性选择的形式，受自然选择的影响。

As it has often been pointed out, however, there is nothing in the concept of natural selection that suggests that competition is the most successful strategy for " survival of the fittest" .

然而，正如们经常指出的那样，自然选择的概念中没有任何东西表明竞争是最成功的“适者生存”策略。

The above inventory of natural selection specializations would be remarkable enough, but what really separates the chameleon from its fellow reptiles is the fact that its scales contain the ability to change color.

上列在物竞天择下发展而成的种种长实在是了不起，但真正使变色龙不同于其它爬虫类的是它的鳞片拥有变色的能力。

If natural selection were to work, some alternative, unconsidered mechanism was required.

如果自然选择要起作用的话，就得需要某种尚未发现的替代机制。

Natural selection is the process through which populations of living organisms adapt, reproduce, and change.

自然选择是生物种群适应、繁殖和变化的过程。

In 1976's The Selfish Gene, biologist Richard Dawkins wanted to express how culture could be shaped by a process not unlike natural selection--that ideas and thoughts could survive and replicate based on their fitness.

在1976年出版的《自私的基因》一书中，生物学家理查德·道金斯想表达的是，文化是如何通过一种与自然选择并无二致的过程形成的——思想和观念可以根据其适宜性而生存和复制。

One by one, natural selection and sexual selection leave the weak and the timid behind.

自然选择和性选择接二连三地淘汰了弱者和胆小鬼。

Think of it as evolution not by natural selection, but evolution by design.

请把这件事情想像成进化， 而非物竞天择，只是它是透过设计来进化。