Earth had just managed to evolve multicellular life.

地球上刚出现了多细胞生物。

Animals are eaters, movers, sexual reproducers, and multicellular... ers.

们能吃，能走，能进行有性繁殖，并有多细胞。

Type-1 is used against bacteria and viruses; type-2 against multicellular parasites such as worms.

类型1用对抗细菌和病毒；类型2用对抗多细胞寄生虫，如蠕虫。

This is the central problem that all multicellular creatures have to solve.

这是所有多细胞生物必须解决的核问题。

They're very old, evolutionarily speaking, and likely resemble some of our first multicellular ancestors.

从进化的角度来看，们非常古老，很可能与我们最的多细胞祖先相似。

Early multicellular life depended on the water in which it lived to support their skeleton-less bodies.

期的多细胞生命依生活的水来支撑们无骨架的身体。

But we humans, along with the rest of the multicellular animal kingdom, are substantially more complex.

但是我们人类和其他多细胞动物一样，要复杂得多。

And they can do it because they're multicellular, which is a rarity in the microbial world.

们之所以能够做到这一点，是因为们是多细胞的，这在微生物世界中很少见。

Several years ago, Albani and his team discovered it held the oldest fossils know of multicellular animals.

几年前，阿尔巴尼和他的研究小组发现这里保存着已知的最古老的多细胞动物化石。

Some people have even suggested that there could be multicellular life, such as fish-like creatures down there.

一些人甚至推测这些寒冷星球上还可能有多细胞生命，比如说像鱼一样的生物。

The tentacled Archaean uses proteins common to multicellular organisms and might lend insight into how the latter evolved.

这种有触角的太古代微生物使用多细胞生物共有的蛋白质，这可能有助我们了解后者进化的方式。

Ultimately, it gives rise to a sophisticated system of cooperation that's somewhat like a multicellular organism in itself.

最终形成一个复杂、精致的合作系统，有些类似多细胞生物。

By 800 million years from now, every green thing on Earth is dried up, and all multicellular life with them.

八亿年后，地球上不会有任何绿色植物，以及任何多细胞生物苟活。

Anyway, microbes banded together, creating multicellular life.

总之，微生物结合在一起，创造了多细胞生命。

Multicellular organisms are constantly shedding cells.

多细胞生物不断地脱落细胞。

In a hot second multicellular organisms become widespread!

在炎热的第二年，多细胞生物变得普遍！

At some point, these cells began to form small groups or communities, which lead to multicellular life, and finally, to you.

渐渐，这些细胞开始形成小组或群体，导致了多细胞生命，最终形成了你。

It’s the word for how, as multicellular organisms age, they die more, and reproduce less.

这个词是指随着多细胞生物的衰老，们死亡得更多，繁殖得更少。

Those cells have to learn to work together to form multicellular organisms.

这些细胞必须会协同工作才能形成多细胞生物体。

The main theory is that multicellular organisms started out as cells grouped together in colonies.

主要论是，多细胞生物最初是细胞聚集成菌落。