Overpopulation
2. What effects does overpopulation have on Earth?
less rescources
3. How does world population growth effect water, food and energy?
there will not be enough food for everyone and water might run short and our fossil fuels will be gone and we will have to use other means for energy.
4. Where is the world's population data held?
The U.N. in N.Y
5. What is the United Nations?
a world wide peace keeping orginization.
6. How many people will live on Earth by 2050?
9billion
7. Where is the greatest population growth going to take place?
Afganistan, Africa.
8. What has kept the world's population in check for most of human history?
Sickness, lack of safe drinking water and safe food.
9. Why did the population boom starting in 1800?
started finding cures sickness
10. What did Malthus say the problem of population growth is?
There will be more people than there will be food.
11. How many people lack access to safe drinking water in the world?
2.5%
12. What is the importance of water to people and Earth?
Drinking it and growing crops.
13. Why not just desalinate sea water?
it is expensive.
14. What did Iowa farmer Norman Borlaug do that helped the world's food supply?
showed them how to farm smarter
15. What are some developed countries doing in developing countries in regards to farming?
takeing other countrys land.
16. According to the host of the video, what three things must people do to ensure that future generations have enough food and resources?
stop using so many rescources. beter technoligy.
17. What did China and India do in the 1970's to try to reduce population? Which country was successful?
1 child per family
18. What two things are very important to women(and men as well) in helping bring down the fertility rate?
education
Define birth rate. the rate of birth per 1 thousand people in a given year.
Define fertility rate. the average number of babies a women has in her lifetime in a certain area.
Define death rate. a number that represents the number that how many people die out of 1 thousand in a givin year.
Define population growth rate. growth of human population.
Define rate of natural increase. birth - death = rate of natural increase.
Define population density. the number of people relative to the space occupied by them.
Define Life expectancy. the number of years one is expected to live.
Define carrying capacity. maximum in a given enviorment in a given situation.
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