The population growth curve is used to increase and decrease of a certain population in a specific period of time and taking into consideration the different factors affecting the population. When the growth of the population is levelling off, it means that the environment reached its carrying capacity. Carrying capacity is the average population size of a certain species in a certain habitat. These particular size of species is limited by environmental factors. When these factors reached its limit, population growth will levelled off.
Age restriction and geological boundaries does not affect the populatio