80% of all known animal species are Arthropods.

80%已知动物属于节肢动物。

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节肢动物。

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

就像现代节肢动物，三叶虫也有由许多小晶体组成复眼。

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

这类节肢动物是大型类似食肉昆虫，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，海洋里充满着微小节肢动物，它们没有留下化石记录。”

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

但是节肢动物有腹神经和背肠子… 你懂，就是粪便槽。

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

所讨论化石采自巴西部，是一亿年前标本，属于节肢动物类。

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

学家发现了这些排成行古代节肢动物，将其描述为与现代迁徙龙虾类似。

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，我们看到了最早节肢动物，包括现代昆虫和甲壳类动物。

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

寨卡病毒是一种虫媒病毒：即该病毒通过节肢动物传播，特别是蚊子，所以这是一种通过蚊子传播病毒。

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

唉，对节肢动物来说，它所喜爱沙质沙漠已经从巴西部退却，它在那里最佳体态已经消失。

And chitin is also the  basis for arthropod exoskeletons.

几丁质也是节肢动物外骨骼基础。

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

我们并不比野兽、蚯蚓、海耳和节肢动物强多少。

Especially for some of the less armored members of the group.

对于一些护甲较少节肢动物 尤其如此。

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

跳虫是微小土壤节肢动物，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手指。

By surfing on edible rafts  made of arthropod exoskeletons?

在节肢动物外骨骼制成可食用筏上冲浪？

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

然后如果你去所有节肢动物，哦......有椰子蟹。

The first animals to ever set foot on land were the arthropods.

{\an8}（3.45亿年前）率先踏上陆地动物是节肢动物。

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

这片森林里一棵树上我们就能找到数十万只节肢动物分别属于一千种不同种类。

They now make up over 80% of all animal species.

节肢动物 如今已占据所有动物物种80%以上。