Each group adapts to a different environment, and if they can communicate, the entire population learns enough to not only survive and increase the overall size of the population, but to come up with more varied ideas and ways of molding Nature to realize them. This brings me finally to the subject of Mars. The best place we know of right now is Mars. It has all the chemistry that life needs, and with a little technology, it's readily available. We've got to get the first seeds ready.
Spring is here.