David Attenborough explains the Tree of Life

This six-minute Tree of Life video appeared on the BBC One programme 'Charles Darwin and the Tree of Life' narrated by David Attenborough.

Download:
http://atheistmovies.blogspot.com/2009/02/david-attenborough-charles-darwin-and.html

Source:
http://www.bbc.co.uk/nature/life
http://www.youtube.com/user/WellcomeTreeofLife