Population Growth, cont'd F. Human Population Growth 1. The population of bacteria doubles once every minute. Answers given later in lecture. List two reasons why the human population began growing much faster during and after the industrial revolution. Write the equation for estimating the doubling time of a population.
Some politicians like to argue that they support sustainable growth.
Between July to Sept. of 1999, the population of the world reached 6 billion. Use your handout from the web pages of the US Census Bureau and the equation for estimating doubling time of a population to determine how many years it will take for the world's population to double from the 1999 level of 6 billion to 12 billion. Both populations will continue to grow. The sizes of both populations will decrease. Mexican healthcare will need to provide care for more elderly people than for pregnant women, infants and children.