How speed restricts evolutionary change of the vertebral column
Leiden, Netherlands (SPX) Jul 15, 2014 - One of the riddles of mammal evolution explained: the strong conservation of the number of trunk vertebrae. Researchers of the Naturalis Biodiversity Center and the University of Utah show that this conservation is probably due to the essential role of speed and agility in survival of fast running mammals. They measured variation in vertebrae of 774 individual mammal skeletons of both fast ... more
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