1. It took 1649 years for the world population to double, going from .25 billion people to .50
billion people. How long did it take for the population to double once again?
2. How long did it take for the population to double a second time? ___________ A third time?
3.Based on your graph, in what year will the population reach 8 billion? _____________
4.Based on your graph, how many years will it take for the population of 2004 to double?
1. What factors contributed to the world's overall population growth in the last 150 years?
2. Why does a population not level off during the same year it reaches zero population growth?
3. If the carrying capacity of the earth was 9 billion people, when would this number be reached
(according to your graph)?
4. What will happen when the human population exceeds the earth's carrying capacity?
billion people. How long did it take for the population to double once again?
200
2. How long did it take for the population to double a second time? ___________ A third time?
2nd is 75 years
3rd is 40 years
3.Based on your graph, in what year will the population reach 8 billion? _____________
2020
4.Based on your graph, how many years will it take for the population of 2004 to double?
26years
1. What factors contributed to the world's overall population growth in the last 150 years?
Advances in medicine
2. Why does a population not level off during the same year it reaches zero population growth?
people was having long life live.
3. If the carrying capacity of the earth was 9 billion people, when would this number be reached
(according to your graph)?
2026
4. What will happen when the human population exceeds the earth's carrying capacity?