[Answer] According to the _____ model evolution occurs in spurts; species evolve relatively rapidly then remain unchanged for long periods.

Answer: punctuated equilbrium

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According to the _____ model evolution occurs in spurts; species evolve relatively rapidly then remain unchanged for long periods. This model was popularized by Ernst Mayr in his 1954 paper "Change of genetic environment and evolution " and his classic volume Animal Species and Evolution (1963). Allopatric speciation suggests that species with large central populations are … There is relatively little variation between human geographical populations and most of the variation that occurs is at the individual level. Of the 0.1%-0.5% of human genetic differentiation 85% exists within any randomly chosen local population. Genetic data shows that no matter how population groups are defined two people from the same ... Pierre Monteux Nominator(s): Tim riley (); Cg2p0B0u8m (); Brianboulton 10:39 25 October 2012 (UTC) This article was largely developed by Tim riley and Cg2p0B0u8m and was Tim's current project when last summer he decided to leave Wikipedia.At the time I was peer-reviewing the article. After some recent email discussion Tim agreed that subject to final polishin...

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