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Politics : Should God be replaced? -- Ignore unavailable to you. Want to Upgrade?

To: TigerPaw who wrote (3210)	11/7/2000 3:54:25 PM
From: cosmicforce	Read Replies (1) \| Respond to of 28931

It wasn't until some got kicked out of the forest that they underwent the survive or die kind of pressure that transforms one species into a new one. Not disagreeing in general, but would like to point out that sometimes this process of segregation can be passive. A fire or flood could produce a separation of populations without requiring direct competition between them. The survival of the fittest is an overworked and incorrect application of the theory of genetic radiation acting in unison with evolution and isolation, IMO. Change is constant and needs no cause. It's rate is highly variable though and proportional to a variety of stressors though complex mechanisms. Recently in Scientific American they were saying that one of the major effects of human activity is the creation of biological barriers (much like the rising of mountains). We are seeing measurable genetic fractionation in voles, reptiles and a variety of other animals on opposite sides of roads in N. America. There is an initiative in S. California to tie the the Santa Monica Mountains to the Los Padres National Forest through a 10,000 acre addition done by the Nature Conservancy. This "bridge" allows the continued exchange of the genetic material to occur and creates healthier populations.