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Plasma Cosmology - and a Belt of Light
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[quote:Anonymous Coward 865798:MV8xMTczMTI5XzE4OTc2NjM5XzUzNkQ2NUE3] [i]--"instead of a slow, continuous movement, evolution tends to be characterized by long periods of virtual standstill ("equilibrium"), "punctuated" by episodes of very fast development of new forms. The "punctuated equilibrium" theory of Niles Eldredge and Stephen Jay Gould was proposed as a criticism of the traditional Darwinian theory of evolution. [b]Eldredge and Gould observed that evolution tends to happen in fits and starts, sometimes moving very fast[/b], sometimes moving very slowly or not at all. On the other hand, typical variations tend to be small. Therefore, Darwin saw evolution as a slow, continuous process, without sudden jumps. [b]However, if you study the fossils of organisms found in subsequent geological layers, you will see long intervals in which nothing changed ("equilibrium"), "punctuated" by short, revolutionary transitions, in which species became extinct and replaced by wholly new forms.[/b] Instead of a slow, continous progression, the evolution of life on Earth seems more like the life of a soldier: long periods of boredom interrupted by rare moments of terror.[/i] http://pespmc1.vub.ac.be/Punctueq.html [/quote]
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