The scales on a crocodile’s body develop through this mechanism. About a decade ago, Milinkovitch noticed that the scales on the reptile’s jaws and face differ from those on its body. He speculated ...

Look at the sneaky crocodile i-oh, i-oh, i-oh He's swimming down the River Nile i-oh, i-oh, i-oh. The crocodile has a swishing tail i-oh, i-oh, i-oh He's swims along and leaves a trail i-oh ...