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Reblogged from: deconversionmovement
Originally posted by: deconversionmovement
--- 4 months ago --- 16 notes ---24 Million Generations! Evolutionary Change in Body Size on Earth —From Mouse to Elephant
Evolutionary changes in body size take a very long time. A mouse-to-elephant size change would take at least 24 million generations based on the maximum speed of evolution in the fossil record, Becoming smaller can happen much faster than becoming bigger: the evolution of pygmy elephants took 10 times fewer generations than the equivalent sheep-to-elephant size change.
