Dear Student
In geometric growth, growth is slow in the initial stages and becomes rapid during the later stages.
In an ideal environment populations grow at an geometric (exponential) rate. The growth curve of the populations is smooth and becomes increasingly steep over time. For all populations, geometric growth is decreased by factors such as limitations in food, competition of resources, disease. As competition increases and resources become increasingly scarce, populations reach the carrying capacity causing their growth rate to slow and becomes nearly zero.
Regards