 If its postulates hold, in the long run, introduced species may have to be more highly regulated than they are at present, because no set of traits or pattern of introduction can predict the extent to which an organism can reallocate its resources in response to a release from stress.Since its debut in 1995, Bernd Blossey and Rolf Nötzold's paper, "Evolution of increased competitive ability in invasive nonindigenous plants