This evolution gimmick depends on how happy certain Pokemon are with you as their trainer. There is a happiness gauge, and once that fills up, the Pocket Monster will evolve after gaining a level.
For decades, scientists have studied animals living in or near the Chernobyl Nuclear Power Plant to see how increased levels of radiation affect their health, growth, and evolution. A study ...
Evolution is the process of heritable change in populations of organisms over multiple generations. Evolutionary biology is the study of this process, which can occur through mechanisms including ...