Evolving organisms inevitably change the environment they evolve in. Evolutionary prototypes can eventually evolve into final systems. Organisms can also evolve to tolerate xenobiotics. As the game progresses, enemies evolve and become harder to defeat. He will evolve new theories and invent new ways of calculating astronomical phenomena. With female preferences in play, male coloration could evolve rapidly. However, some scientists argue that viruses neither evolve nor self-reproduce. This enables server functionality to evolve independently. Some conventions evolve or change over time. He really responds to things that evolve very, very slowly. The League would eventually evolve into Planned Parenthood. As languages evolve, case systems change. Cooperation cannot evolve under these circumstances. Communication of this kind just cannot evolve. Eventually articles may evolve anew from demonstratives.