One possible example of a species made of different biochemistry based on processed food could be a group of organisms that have evolved to metabolize artificial preservatives and additives commonly found in processed foods as their primary source of energy. This species may have unique enzyme systems that allow them to break down and utilize these chemical compounds in a way that traditional organisms cannot. These creatures may have adapted to thrive in environments such as factories or food processing facilities where these processed foods are abundant. They may have evolved specialized organs or digestive systems that can efficiently extract nutrients from these processed food sources. Additionally, the biochemistry of this species may have unique features, such as the ability to detoxify harmful chemicals present in processed foods or to store excess energy in a different form than traditional organisms. Overall, this species would represent a fascinating example of how life can adapt and evolve in response to human-created environments and resources.