Natural selection is the cornerstone principle of evolution.

物竞天说是进化论的基础原则。

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

在物竞天中，我们的祖先互相合作，并且建立彼此的关系而存活下来。

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说中扮演了重要角色。

The one we know best is Darwinian natural selection.

其中最广为人知的理论之一就是 达尔文的自论。

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

回答了这个问题，有助于理解自。

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

因为除了自，依有其他进化的因素。

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的个体都可能会受到自的冷落。

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中被淘汰掉。

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的巨大压力。

Natural selection hits on a good design.

自的图案都是最好的。

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

在此过程中，他们把通过自来实现进化的原理引入了机器人领域。

We've created the next chapter in natural selection.

我们创造了自新的篇章。

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

这推动了自，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.

这是一种性的形式，受自的影响。

Natural selection can happen on many levels, and there can be evolution inside of evolution.

自可以发生在许多层面上，并且在进化过程中也可以有进化。

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

如果自要起作用的话，就得需要某种尚未发现的替代机制。

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

因此，自可以发挥作用的变异有很多。

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

自是生物种群适应、繁殖和变化的过程。

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

自和性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，只是它是透过设计来进化。