Demographic history can be divided into two major periods: a time of long, slow growth which extended from about 8,000 BC. till approximately AD. 1650. In the first period of some9600 years, the population increased from some 8 million to 500 million in 1650. Between 1650and the present, the population has increased from 500 million to more than 4 billion. And it isestimated that by the year 2000 there will be 6.2 billion people throughout the world. One wayto appreciate this dramatic difference in such abstract numbers is to reduce the time frame tosomething that is more manageable. Between 8000BC and 1650, an average of only 50,000 persons was being added annually to the worlds population each year. At present, this numberis added every six hours. The increase is about 80,000,000 persons annually
1. Which of the following demographic growth pattern is most suitable for the long thin powder fuse analogy?
A. A virtually stable or slightly decreasing period and then a sudden explosion of population.
B. A slow growth for a long time and then a period of rapid, dramatic increase.
C. Too many people on earth and a few rapid increase in the number added each year.
D. A long period when death rates exceeds birth rates and then a short period with higherfertility and lower mortality.
2. During the first period of demographic history, societies were often in danger of extinction because___.
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