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

从进化的角度来看，它非常古老，很可能最早的多细胞祖先相似。

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心问题。

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.

它能吃，能走，能进行有性繁殖，并有多细胞。

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

它之所以能够做到这点，是因为它是多细胞的，这在微生物界中很少见。

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

早期的多细胞生命依赖于它生活的水来支撑它无骨架的身体。

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

但是人类和其他多细胞动物样，要复杂得多。

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.

些人甚至推测这些寒冷星球上还可能有多细胞生命，比如说像鱼样的生物。

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

最终形成个复杂、精致的合作系统，有些类似于多细胞生物。

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，这可能有助于了解后者进化的方式。

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。

A genome is the haploid set of chromosomes in a gamete, or microorganism, or each cell of a multicellular organism.

基因组是指配子、微生物或多细胞生物每个细胞中的单倍体染色体组。

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。

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

主要理论是，多细胞生物最初是细胞聚集成菌落。

Anyway, microbes banded together, creating multicellular life.

不管怎样，微生物聚集在起，形成了多细胞生命。

In a hot second multicellular organisms become widespread!

在眨眼的功夫，多细胞生物就广泛出现了！

They host about a third of multicellular marine species including many commercial important fish.

它大约承载了三分之的多细胞海洋物种，包括许多具有商业价值的鱼类。

And then I'll talk about multicellular organisms.

接下来，将探讨多细胞生物。

That part, is it complex organisms like multicellular organisms?

这部分，是指像多细胞生物这样的复杂有机体吗？