 Quote by loseyourname
It is cooperative behavior, only the cooperation is contained to an in-group at the expense of all others. It's a consistent pattern shown across all group action. I tilt toward an evolutionary explanation for this myself, but before I get into justifying that (which might take a while), I'd like to first point out a false dichotomy you've created between genetic and learned behavior. Behavior can be neither genetic nor learned. Conditions in the womb and early childhood nutrition, for instance, can affect a person's adult disposition and thus incline certain behavioral patterns.
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I'm positive there are nutritional and other environmental triggers that will determine certain gene expression. It has been noted in the case of iron deficiency for example (no link)
I do have a link here that shows violent behavior to be a learned behavior although you may not agree with "Science Daily" or the articles it carries.
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Violence Is A Learned Behavior, Say Researchers At Wake Forest University
Science Daily — WINSTON-SALEM, N.C. - The strong association between exposure to violence and the use of violence by young adolescents illustrates that violence is a learned behavior, according to a new study, published by researchers at Wake Forest University Baptist Medical Center and included in the November issue of the Journal of Pediatrics.
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http://www.sciencedaily.com/releases...1106061128.htm
Here's a definition of "behavior" from the University of San Diego (one of my fav universities)
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** BEHAVIOR **
Behavior = an internally directed system of adaptive activities that ensure survival and reproduction.
- Experience and Inheritance (genetic factors) affect all behavior, so the innate vs. learned behavior controversy is somewhat artificial.
- Behaviors range along a continuum from those modified slightly by experience to those derived entirely from experience.
I. INNATE BEHAVIOR (Instinct) = behaviors appearing spontaneously (inherited via genetic information) serving to perform certain specific functions (e.g., Gull chicks peck at red spot on parent's bill to get food, chicks will also peck at artificial bills or even sticks with red spots
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http://www.usd.edu/biol/faculty/swan...ith/lec16.html
What they seem to be saying is that behavior is a result of all experiences including what we experience as genetically determined organisms.
I have never understood what people mean when they say "human nature". I mean, isn't it the same "nature" as "fish nature", "goat nature", "insect nature" or "plant nature"? We're all part and parcel with nature.