eihwaz -> RE: Evolution vs. Religion (4/18/2011 8:39:03 PM)
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Just to be clear, in Darwinian evolutionary theory, what evolves are species, i.e., populations of individuals -- not individual organisms. Also, Darwinian evolution primarily concerns the origins of species, not that of life itself. According to Darwinian evolution, the primary cause of change is a process called natural selection wherein the environment -- climate, vegetation, availability of food, terrain, predators, accessibility of potential mates, and so on -- determines which traits make it more likely that an individual will survive and reproduce ("fitness"). Over time, those traits conferring the most survival and reproductive advantage -- or fitness -- come to predominate in the population, and the species becomes more or less optimized for its environment, and ceases to evolve (actually, evolves much more slowly). If the environment changes -- hotter, colder, wetter, dryer, loss of food sources, new food sources, new predators, and so on -- a new set of selection pressures exerts itself to accelerate evolutionary change of the species. Those are the basics. If frogs and sharks haven't evolved much, that means that they're reasonably optimized for their environments at present, and have been for quite some time. Note that evolution of species occurs over reproductive cycles and the unit of evolutionary time is the generation. How slowly or quickly a species evolves depends in part on how often it produces a new generation of children. Some Christians object to evolution on three grounds: - Evolution is definitely not compatible with a literalistic reading of Genesis.
- Many Christians believe that God's purpose pervades, and operates through, even most minute elements of the creation. Evolution, on the other hand, is non-teleological (doesn't by itself have an ultimate purpose) and involves random events.
- Many Christians feel that evolution's proposition that humans evolved from other species rather than being created de novo by God undermines humanity's divine specialness.
As a person of faith, I perceive no contradiction between belief -- in particular an allegorical or mythic reading of Genesis -- and evolution. I have no problem believing (non-rationally and non-scientifically) that God created the physical universe and everything within it, and that evolution generates the "endless forms most beautiful and most wonderful" (Darwin) of life.
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