iOS app Android app  Black Queen Hypothesis  A Black Queen in a
Blue Ocean: How Microbes Evolve to Depend on Each Other  Jeff
Morris | Posted 07.02.2012 | Science Jeff Morris  Why was it
advantageous for the last common ancestor of all life to
sacrifice self-sufficiency -- in other words, why is the world
no longer the province of a small number of "jack of all trades"
species?