A jaw-dropping conundrum: Why do mammals have a stiff lower jaw? Unlike other vertebrates, mammals have just one lower jawbone sciencedaily.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from sciencedaily.com Daily Mail and Mail on Sunday newspapers.
Mammals Stiff Lower Jaw: Confounding Mystery miragenews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from miragenews.com Daily Mail and Mail on Sunday newspapers.
The lower jaws of lizards, birds, fish and even dinosaurs are comprised of multiple bones per side. Yet mammals diverged from all other vertebrates and settled on just one bone, repurposing the extra bones into a more elaborate inner ear, perhaps the better to hear. The single bone per side, fused in primates into one jawbone, makes the jaw more rigid. A UC Berkeley paleontologist asks, Did the stiffer, rigid jaw make mammals more successful?
A jaw-dropping conundrum: Why do mammals have a stiff lower jaw? phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.
A jaw-dropping conundrum: Why do mammals have a stiff lower jaw? berkeley.edu - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from berkeley.edu Daily Mail and Mail on Sunday newspapers.