Cephalopods may have evolved complex brains long before our vertebrate relatives.

头足类或许比我们的脊椎动物近亲更早演化出复杂的脑部。

Other kinds of head hair evolved as humans moved to different places.

人类移居不同的地方时，也演化出不同类的头发。

Isolated communities may evolve from millions of years in relative peace.

与世隔绝的动物群落可能在数百万年内演化出了相对稳定的生态。

Some early egg-laying species gradually led to the creation of the proto-chicken which laid proto-chicken eggs.

某些早期的卵生物种逐渐演化出鸡，鸡产下蛋。

Although sun bears mostly live alone, scientists recently discovered they have developed a surprising social skill.

尽管马来熊大多数时间都独自生活，但是学家最近发现，它们演化出了一种惊人的社交技巧。

We have evolved a redundancy in our speech specifically that allows us to hear speech in the presence of natural sound.

我们在言语中演化出了一种冗余性，让我们在有大自然声音的情况下还能听到言语。

Jawless fishes invaded the ocean, sporting points, prongs, and finally, fins.

无颌鱼入侵海洋，最初长着尖刺和叉状结构，最终演化出了鳍。

Did bats evolve flight or echolocation first, or did it evolve in tandem?

蝙蝠是先进化出飞行能力还是回声定位能力，或者两者是同时进化的？

They’re a motley crew, independently evolving similar mouthparts at least four times over the eons.

他们是一群杂牌军，在漫长的岁月里至少独立演化出了四次相似的口器。

They have independently evolved the same trick.

他们独立地演化出了同样的把戏。

What tragic dignity, for example, can be wrought into a scene like this!

像这样的场面，能演化出何等悲壮的尊严！

And the skinks had convergently evolved the same little switch, which is very cool.

且这些蜥蜴也趋同演化出了同样的小开关，这非常酷。

They're some of the most bizarre things who've ever evolved on Earth.

它们堪称地球上演化出的 最奇特的生物之一。

Cultures prescribe norms, evolve goals, build beliefs that help us tackle the challenges of existence.

文化规定了规范， 演化出了目标，建立了帮助我们应对生存挑战的信念。

So the US manufacturing that can be evolved from this is not going to happen overnight.

因此，从这一过程中演化出的美国制造业不会一蹴就。

I feel like I just know how to do my face in a way that I like.

我觉得我就是知道怎么化出自己喜欢的妆容。

Well, the secret of the Sundarbans, lies in beautiful relationships that have evolved between the most unlikely species — including the tiger.

松达班的秘密就在于，在两个最不可能的物种之间——其中之一是老虎，已经演化出了美妙的联系。

Maybe the temnospondyls gave rise to them, and maybe they didn't.

也许扁平头类演化出了它们，也许没有。

Now, but wait. If animals and humans evolved to prevent susceptibility to toxoplasma, why did DD get it?

等等，回过头来，如果动物和人会演化出抵抗弓形虫的能力，那为什麽DD会发病呢？

These gave rise to the marine trematosauroids, which likely fished in coastal waters, and the freshwater metoposaurs.

这些演化出了海洋颤口龙类，它们可能在近海水域捕鱼，以及淡水甲面龙类。