Bipedalism in dinosaurs was inherited from ancient and much smaller proto-dinosaurs. The trick to this evolution is in their tails, said lead study author Scott Persons, postdoctoral fellow at University of Alberta in Canada. "Having this muscle mass provided the strength and power required for early dinosaurs to stand on and move with their two back feet. The research also debunks theories that early proto-dinosaurs stood on two legs for the sole purpose of freeing their hands for use in catching prey. "Many ancient bipedal dinosaurs were herbivores, and even early carnivorous dinosaurs evolved small forearms.
Source: bd News24 March 04, 2017 11:09 UTC