Evolution is all about change. Having started as unicellular organisms, we have now evolved into the most intelligent species on the planet (Harry Solomon in Third Rock From The Sun was an alien – remember that!). The process of evolution itself is highly complex and unpredictable to a certain extent. What starts as a basic trait or feature in an organism could evolve into something entirely different and serve a new purpose. This particular process is referred to as exaptation. What Is It? Exaptation is a concept in evolutionary biology which refers to the process in which an existing trait or feature changes its nature and function to serve