what to do, it is instinctual.
             But, instincts only describe behaviour, they do not explain why a person engages in behaviour.
             Therefore with regards to the case study, George's behaviour, (running the marathon), is not instinctual. Not everyone is born to run a marathon, it is a learned response. (Weiten, 1995).
             Sociobiology is the study of the biological basis for the social behaviour of humans and other animals. (Worldbook, 1986). Sociobiologists try to asce
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