Some mammals need roughly 24 million generations to go from mouse-size to elephant-size, a new study says.
MORE: http://news.nationalgeographic.com/news/2012/02/120203-mammals-evolution-body-size-science-elephants-mice/
Monday, February 06, 2012Elephants Took 24 Million Generations to Evolve From Mouse-Size
Some mammals need roughly 24 million generations to go from mouse-size to elephant-size, a new study says.
MORE: http://news.nationalgeographic.com/news/2012/02/120203-mammals-evolution-body-size-science-elephants-mice/ 
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