Hello, I'm new here, and I love science. I’ll be the first to say that, though I find science very fascinating, I know very little about it. I’m not a scientist and I don't claim to know more than one regarding the properties of the universe, biology, and so forth. However, what I have learned about different fields interests me quite a bit. Let me say firstly that I do not ignorantly dispute fact, but I have a question or two, about something I don't quite understand. Evolution makes perfect since to me, and if I am correct, evolution is life's adapted change over time for survival. For instance, a giraffe has a long neck maybe because, at one time, it couldn't compete with land predators for food. Now it has the ability to reach its own food far from their reach. There is a fundamental purpose for this change. However, Since intelligence is unnecessary to create life and since intelligence is unnecessary for life to sustain itself, why then should it be necessary to conclude that it has evolved at all? I'm not asserting that it hasn't, but intelligence seems to have no biological purpose in light of say... Bacteria which have no intelligence, yet bacteria get along just fine without it and has done so for eons. Also, supposing evolution is the cause of intelligence, why is human behavior (generally speaking) still so primitive regarding things like hatred when human intelligence is so sophisticated in comparison? Why has human behavior failed to evolve in correlation with human intelligence, or am I just wrong somehow altogether?