Title | : | What caused the Cambrian explosion |
Duration | : | 10 minutes, 57 seconds |
Uploader | : | The Economist |
Added On: | : | 27 August, 2015 |
Views | : | 747.5K times |
Likes | : | 0 |
Source | : | YouTube |
For most of the Earth's history, life consisted of the simplest organisms; but then something happened that would give rise to staggering diversity, and, ultimately, life as complex as that which we see today. Scientists are still struggling to figure out