• Describe a shift in the function of a trait during evolution. For example, a trait can evolve because it served one particular function, but subsequently it may come to serve another.
• co-option The co-option of technologies for unintended functions, is an important but neglected mechanism in the expansion of the technosphere.
• preadaptation
• emergence
• innovation
• macroevolution

Sources

• https://en.wikipedia.org/wiki/Exaptation