The Evolution of Emotion, Urge and Behavior

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'If intelligence sets us apart among organisms, then I think is probable that natural selection acted to
maximize the flexibility of our behavior. What would be more adaptive for a learning and thinking animal: genes
selected for aggression, spite an d xenophobia; or selection for learning rules that can generate aggression in
appropriate circumstances and peacefulness in others.' - Stephen Jay Gould, 1981
True enough, the plasticity of human behavior is a very important hallmark
of the species; one which has facilitated its spread into almost every
ecosystem on the planet. Yet, as c…