80% of all known animal species are Arthropods.

80%的属于肢。

And Scorpius, which isn't hard to imagine as a venomous arthropod.

还有蝎子座，不难把它想象成一种有毒的肢。

These are large, carnivorous, cricket-like insects whose feet splay out wildly in different directions.

这类肢是大型类似板球的食肉昆虫，其足向不同方向伸展开来。

The sea swarms with tiny arthropods today that have left no fossil record.

今天，海洋里充满着微小的肢，它们没有留下化石记录。”

Like modern arthropods, trilobites had compound eyes composed of many tiny lenses.

就像现代的肢，三叶虫也有由许多小晶体组成的复眼。

But arthropods have ventral nerves, and dorsal guts...you know, the poop chute.

但是肢有腹神经和背肠子… 你懂的，就是粪便槽。

The fossil in question, a 100m-year-old specimen from north-east Brazil, belongs to the genus Schizodactylus.

所讨论的的化石采自巴西东北部，是一亿年前的标本，属于肢类。

Scientists uncovered the ancient arthropods in a formation they described as similar to modern-day migrating spiny lobsters.

科学家发现了这些排成行的古代肢，将其描述为与现代的迁徙龙虾类似。

It was during this period that we see the earliest arthropods, the group that includes modern insects and crustaceans.

正是在这一时期，我们看到了最早的肢，包括现代昆虫和甲壳类。

Zika virus is an arbovirus, meaning it's transmitted via certain arthropods, specifically mosquitos, so it's a mosquito-borne virus.

病毒是一种虫媒病毒：即该病毒通过肢传播，特别是蚊子，所以这是一种通过蚊子传播的病毒。

Alas for Schizodactylus, the sandy deserts it prefers have retreated from north-eastern Brazil and its optimality there has vanished.

唉，对肢来说，它所喜爱的沙质沙漠经从巴西东北部退却，它在那里的最佳体态经消失。

We are no better than the beasts and the earthworms the lugs and the anthropods.

我们并不比野兽、蚯蚓、海耳和肢强多少。

Springtails are tiny soil arthropods that launch themselves into the air to avoid predators, or in this case my finger.

跳虫是微小的土壤肢，它们会将自己发射到空中以避开捕食者，或者在这种情况下是我的手指。

By surfing on edible rafts  made of arthropod exoskeletons?

在肢外骨骼制成的可食用筏上冲浪？

And then if you go to all arthropods, Oh… . there's the coconut crab.

然后如果你去所有的肢，哦......有椰子蟹。

And chitin is also the  basis for arthropod exoskeletons.

几丁质也是肢外骨骼的基础。

In a single tree in this forest, we can find hundreds of thousands of arthropods representing over a thousand different species.

这片森林里的一棵树上我们就能找到数十万只肢分别属于一千种不同种类。

And over time, some animals like arthropods developed hard exoskeletons to protect themselves.

随着时间的推移，一些像肢这样的 发展出坚硬的外骨骼来保护自己。

First, we know that other types of arthropods swam in the open ocean, hunting their prey.

首先，我们道其他类型的肢在开阔的海洋中游， 捕食它们的猎。

The continents were home to only some sparse plants and fungi, and a few pioneering arthropods.

这些大陆只有一些稀疏的 植和真菌，以及一些开创性的肢。