A change that is useful for one property to
start with can become useful later for quite a different function.Which one of the following is an example supporting this statement.

A change that's useful for one property to start with, can become useful later for quite different function.
for instance , Feathers, provide insulation in weather . But later, they could become useful for flight.
In fact, some dinosaurs had feathers, although they might not fly using the feathers.
Birds seem to possess later adapted the feathers to flight.