“Chance does play a huge role in evolution…Evolution is a sequence of events influenced by chance.”

“We’re trying to learn about the problems that early animals faced that made intelligent behavior a favorable trait to evolve, with the goal of working our way up to understanding how early forms of intelligence evolved into the complex forms of adaptive, social and predictive intelligence humans are capable of…”

“…there is a reason for intelligence and that reason is survival…Intelligence allows us to plan and predict what will happen further and further into the future and then act appropriately. The creature who can predict the furthest into the future will win.”
Read more at: http://phys.org/news/2013-06-swarming-evolved-tantalizing-clues-intelligence.html#jCp