C'est toujours comme ça que ça finit

Regarder Great Moments in Evolution saison 01 en Streaming Vf HD :
It all began with a single cell which, throughout the course of nearly 4 billion years, evolved into the diversity of life that surrounds us. No one knows how many species there are on our planet. Estimates vary between 10 and 100 million. But no matter how many species there may be - all life stems from a single common primeval ancestor..