Watch the predator-prey relationship: Press: "1" updates graph, "2" clears graph, "3" auto update *Beige is represented as black Cells: Red eats Beige and Beige eats green. No one eats Purple and it eats Green but replicates slower than Beige. You can help the sim by moving some cells to the food just left click and drag. You might notice that they can have different behaviours, well that's just random on cloning I haven't added anything for evolution to work... yet. There is a cost-benefit system of moving faster but dying quicker but the traits are not being passed onto the next generation.