2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/168145An agent-based computer simulation of death by inheritable mutations in a changing environment shows a maximal population, or avoids extinction, at so intermediate mutation rate of the individuals. Thus death seems needed to al for evolution of the fittest, as required by a changing environment.13 pages including all figures; draft, supergluous figures removedPopulations and Evolutiontext