QUOTE(Jammed @ Apr 25 2006, 08:25 AM)
i doubt that rats don't eat other rats, cuz i've heard about a case, when an injured man got surrounded by a lot of rats & eaten by them. i don't know much about rats, but maybe there are certain types of rats that eat meat & other types don't...
all those animals that you listed eat eachother cuz they live only with instincts & emotions. humans have intellect & are not to slose to instincts as animals. that's why we think killing is bad.
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its probly a combination of the three(intellect, instinct, emotion). Theres probly at least one of these aspects at all times that hinder the impulse of humans killing each other.
imbedded in our instinctive behavior is the need to preserve oneself(very obvious). Unlike most animals, humans are lacking physically. We don't have the endurance of a gazelle, the camouflage of a stickbug, the strength of a bear, the agility of a monkey, or a bird's ability to fly. But we do have advanced brains and reasoning skills. What you need to know is that brain cells individually are weak and quite useless, but as you add more and more, the processing power increases exponentially. Humans beings are much the same way. A single person could not have hoped to survive in the very beginning of human existence, but a whole community could thrive. In order to satisfy the need to survive, we need to live with others(this includes not killing them).
I''m thinking the emotional aspect is directly related to the instinctive one. When we kill a person, i'm guessing that either immediately or sometime after, we recognize that this has probly hurt your chances for survival. This in turn leads to the reward/pleasure center of the brain being unstimulated. Because we have advanced brains, we realize the cause of the lack of stimulation.
The intellectual aspect comes from the evolution of the human race and society. Due to the above factors, people have refrained from killing each other and have become accustomed to that. When someone kills another, this is 'odd' and 'different' behavior. People tend to be disgusted 'odd' and 'different' things. That disgust is what we feel about homocide.
now, on how this applies to real-life. lets take a homocidal sociopath, intellectually and instinctively, he probably feels he has been threatened in some way, and the need to be with others overrides the need to survive. emotionally, he has no/very few emotions, therefore this factor fails to stop him. therefore he is free to murder his victim
anyhow, this is my reasoning on the subject, agree or disagree, doesn't really matter. on a side note, i don't believe in god and believe in evolution, that why i mention people and society evolved and adopted an anti-homocidal tendencies. people didnt just spring out of the ground hating to murder other people