Natural selection is the cornerstone principle of evolution.

物竞天择说是进化论基础原则。

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

在物竞天择中，我们祖先互相合作，并且建立彼此关系而存活下来。

Natural selection hits on a good design.

选择图案都是最好。

We've created the next chapter in natural selection.

我们创造选择新篇章。

This means that we are the result of natural selection.

这意味着我们是选择结果。

The one we know best is Darwinian natural selection.

其中最为人知理论之一就是 达尔文选择论。

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

但第二种力量——选择——绝对不是。

Natural selection might be expected to favour the progeny of men who enjoy bringing them up.

选择也许更偏爱那些乐于带孩子男人后代。

Charles Darwin is famous for describing evolution by natural selection.

查尔斯·达尔文因通过选择描述进化而闻名。

That's because there are other aspects of evolution besides natural selection.

因为除选择，依有其他进化因素。

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

如果选择要起作用话，就得需要某种尚未发现替代制。

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

回答这个问题，有助于理解选择。

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

这是一种性选择形式，受选择影响。

So that's a lot of variation on which natural selection can act.

因此，选择可以发挥作用变异有很多。

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。

And that is something natural selection can work with.

这是选择可以做到。

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

经常被有毒捕食者袭击猎物都承受着来选择巨大压力。

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

这推动选择，使猎物物种变得更快、更强、更敏捷。

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

在野外，任何表现出这些特征个体都可能会受到选择冷落。

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

在此过程中，他们把通过选择来实现进化原理引入器人科学领域。