Amazing, an animal of just one cell has a functioning eye. That puts the birth of consciousness right back to the beginning. Stimulus/response, a sensitivity to light. Start from there and work your way up. Select for improved vision by dying if you get caught and before you know it - OK a couple of billion years - you'll have a system of nerves and a processing unit to tell you what you're looking at so you don't have to run from everything.
The evolution of complexity in a nutshell... This single-celled bug has the world's most extraordinary eye http://www.newscientist.com/article/dn27730-singlecelled-creature-hunts-with-its-complex-eye-like-a-sniper.html#.VYp2RPlVikp http://www.newscientist.com/article/dn27730-singlecelled-creature-hunts-with-its-complex-eye-like-a-sniper.html#.VYp2RPlVikp This single-celled bug has the world's most extraord... http://www.newscientist.com/article/dn27730-singlecelled-creature-hunts-with-its-complex-eye-like-a-sniper.html#.VYp2RPlVikp It doesn't even have a brain, but a type of plankton seems to use the smallest camera-like eye to catch nearly invisible prey using polarised light View on www.newscientist.com http://www.newscientist.com/article/dn27730-singlecelled-creature-hunts-with-its-complex-eye-like-a-sniper.html#.VYp2RPlVikp Preview by Yahoo
