(Solved): Ducks are aquatic birds. Their feet are webbed and this trait makes them fast swimmers. Biologists ...

Ducks are aquatic birds. Their feet are webbed and this trait makes them fast swimmers. Biologists believe that ducks evolved from land birds that did not have webbed feet. The amount of webbing on a duck's feet is a heritable trait. Q6.8. While webbed feet were evolving in ancestral ducks, with each generation: Most ducks had about the same amount of webbing on their feet as their parents. Most ducks had more webbing on their feet than their parents. Most ducks had less webbing on their feet than their parents. The amount of webbing on ducks' feet had no relationship with the amount their parents had.