By contrast, the earliest dinosaurs were much smaller than their descendants—more the size of a chicken or dog than a Diplodocus. They walked on two legs (were bipedal) and most are thought to ...
By contrast, the earliest dinosaurs were much smaller than their descendants – more the size of a chicken or dog than a Diplodocus. They walked on two legs (were bipedal) and most are thought to have ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results