And even the moment when animals first came out of the water. 甚至再到动物第一次离开水的那一刻
that led to the rise of the mighty dinosaurs. 导致强大的恐龙的崛起
...to the evolution of hard-shelled eggs 再到硬壳卵的进化
...to the ancestors of the birds first taking to the air... 到鸟类的祖先率先上天…
This series will explore the most important milestones in the history of life. 本片将探索生命史上最重要的里程碑
This in the face of incredible odds. 面对的是如此不可思议的概率
99% of all species that have ever existed 曾经存在过的全部物种之中
These rules of life determine how dynasties will rise and how they will fall. 这些生命法则决定着王朝的兴衰
continue to support life, just as they have for billions of years. 数十亿年如一日 持续支撑着生命
Even today, the rules of life still apply. 即使在今天 生命法则依然适用