Malthus was the first to draw out in a systematic way that links the consequences of growth to its causes. According to Malthus 1. Human beings are impelled to increase population by a powerful instinct. With no limits, he believed that the human population would grow to an incalculable number. The ultimate check to growth is the lack of food.
Populations tend to grow faster than does the supply of food.
Population growth will outstrip the food supply and ultimately put an end to overpopulation. Positive checks are those measures that tend to weaken the human frame. Preventive checks include all possible means of birth control. C. Consequences of Population Growth 1. The consequence of population growth is poverty.