How to Explain Preadaptation?

The term preadaptation in evolution refers to a large change in function accomplished with little or no change in structure (Ridley, 2004). That is, preadaptation refers to the possibility of a characteristic to adopt a new biological function without evolutionary modification.

What is exaptation example?

Exaptation is the process of adaptation of a trait for a purpose other than what the trait was evolved for. For instance, an exaptation could be the use of feathers for mating displays or flight in birds which evolved feathers originally to keep warm.

What is an exaptation trait?

: a trait, feature, or structure of an organism or taxonomic group that takes on a function when none previously existed or that differs from its original function which had been derived by evolution As for exaptations, we need look no further than feathers.