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| Permalink View Article Stats (1 comment) New Theory On Origin of Birds: Enlarged Skeletal Muscles Quicklink submitted by GLloyd Rowsey (Add your own quicklinks easily with the OpEdNews Quick Link Browser bookmark) |
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A developmental biologist at New York Medical College is proposing a new theory of the origin of birds, which traditionally has been thought to be driven by the evolution of flight. Instead, Stuart A. Newman, Ph.D., credits the emergence of enlarged skeletal muscles as the basis for their upright two-leggedness, which led to the opportunity for other adaptive changes like flying or swimming. And it is all based on the loss of a gene that is critical to the ability of other warm-blooded animals to generate heat for survival. |
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I always wondered why my muscles were
by Daniel Geery on Tuesday, Aug 23, 2011 at 7:05:39 PM