2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/88611A computer simulation based on individual births and deaths gives a biodiversity increasing from cold to warm climates, in agreement with reality. Complexity of foodwebs increases with time and at a higher rate at low latitudes, and there is a higher rate of species creation at low latitudes. Keeping many niches empty makes the results correspond more closely to natural gradients.13 pages including 8 figuresPopulations and Evolutiontext