A new theory of the origin of birds, traditionally believed to be driven by the evolution of flight, is now being credited to the emergence of enlarged skeletal muscles in birds. Their upright ...
Department of Integrative Medical Biology, Anatomy, Medical Faculty, Umeå University, Umeå, Sweden Dr P Danielson, Department of Integrative Medical Biology ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback