All uncolored faces represent males in the population or females that are either not within the child-bearing years, or those who have not borne a child for some other reason. They should be counted and removed from your population. White cubes represent a female who has successfully borne a child. These should be counted, and for each white cube another cube should be added to your population from the stockpile. A green cube represents a female who is successfully practicing birth control.
Uncolored cubes are representatives of males or other non-reproducing females.
Record all data in the table below. Calculate your population's annual growth rate for the last year of your data table. Population size in chosen year - Population size in previous year x 100 Population size in previous year 2. This number represents the number of years it would take for your population to double. Compare the doubling time for each of the simulated populations.