Meanwhile, the general blueprint of single-celled organisms has hardly changed in 3 billion years.

与此同时，单细总体蓝图在 30 亿年中几乎没有变化。

The story begins early in the morning, around 4am, with the rise of the first simple, single-cell organisms.

在清晨4点左右，故事伴随着第一个简单单细出现开始。

Tiny living things like bacteria or other single-celled organisms reproduce by creating exact copies of themselves.

像细菌或其他单细这样微小会通过精确复制自己来进行繁殖。

Bacteria are single-celled, living organisms that can exist and perform life functions on their own.

细菌是单细活体，可以独立存在并执行命功能。

Long ago, Earth's oceans were filled with purple single-celled organisms called archaea.

很久以前，地球海洋里满是单细紫色，叫做古菌。

What is the collective name for single-celled, microscopic organisms that live in the soil, water and animals?

活在土壤、水和动中单细微名称是什么？

For the first 2.5 billion years were single-celled organisms co-evolving.

最初 25 亿年是单细共同进化。

About 3.7 billion years ago, single-celled  microbes, called prokaryotes, first evolved on our planet.

大约 37 亿年前，称为原核单细微首先在我们星球上进化。