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Rational
The higher level fauceirs are composed of level fauceirs, so lower level fauceirs play an essential role for higher level fauceir's proper function. If they are no longer necessary for that they may remain in ecological niche or go extinct.
Examples
- Although biological and social fauceirs evolved on this planet physical fauceirs remain the majority.
- Although higher animals and plants evolved, bacteria, and fungi still exist.
- Although height evolved social systems exist on this planet, some people still live in hunter-gatherer societies or slavery or feudalism.
- Although advanced monotheistic religions exist, many people still adhere to satanism , superstition or other more primitive forms of natural religion.
- Although human behavior can be controlled by rational thinking, most of our actions are reflexive, subconsciously or ideologically determined.
