Natural selection is the cornerstone principle of evolution.

物竞天择说是进化论的基础原则。

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。

We've created the next chapter in natural selection.

我们创造了自然选择新的篇章。

I believe in Darwin's theory of natural selection.

我相信达尔文的自然选择理论。

The one we know best is Darwinian natural selection.

其中最广为人知的理论之一就是 达尔文的自然选择论。

To answer this question, it helps to understand natural selection.

回答了这个问题，有助于理解自然选择。

Well, anxiety may be a result of natural selection.

好吧，焦虑可能是自然选择的结果。

Natural selection hits on a good design.

自然选择的图案都是最好的。

A says natural selection explains how species change gradually over time.

A 说自然选择解释了物种如何随着时间逐渐变化。

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。

But the second force, natural selection, is definitely not random.

但第二种力量——自然选择——绝对不是随机的。

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。

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。

That's natural selection at work, one of the main drivers of evolution.

这就是自然选择在起作用，是进化的主要驱动力之一。

This means that we are the result of natural selection.

这意味着我们是自然选择的结果。

Natural selection contributes to the basis of Darwin's theory of evolution.

自然选择为达尔文的进化论打下了基础。

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人科学领域。

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。

All of his work was designed to test his grand theory of natural selection.

他所有的工作都是为了测试他关于自然选择的宏伟理论。

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。