overpopulation is a situation where human population grows so large vital resources are insufficient to support. it can (1)_____ from high population density or from inadequate recourse, or from both. High population densities put (2)____ on available resources such as water or food. Human need them to survive. The causes of overpopulation are high birth rates, high (3)____ expectancy, and low mortality rate. they are the main reasons why population continues to increase. there are many problems caused by overpopulation. It is closely associated (4)_____ poverty. In some parts of the world, it is considered a major cause of poverty. Moreover, overpopulation has negative effects (5)____ the environment. it is possible that environment disasters can take place due to overpopulation.