Johnny is trapped with Carl and several others in an isolated dome where they have replicated various biomes found on Earth, such as swamps and tundras. Carl shows Johnny the characteristics of each biome and the types of organisms present in them. He also briefly discusses how the areas combined maintains a healthy ecosystem.
Many citizens of Zootopia are in fear of predators ever since a group of predators have become savages. There is now a divide between all the animals in Zootopia in whether they want to support predators.