Population and Migration

3. What disease, that mosquito's carry, is responsible for abut 1.3% of human deaths?
8. Many people fear that earth may become...
9. No countries are fully dependent upon local...
10. The number of years it would take for a country's population to double at it's present rate to increase is called...
11. Physiological density is the density of population per unit of...
12. Disease-causing organisms that enter and multiply in the body are called...
14. What is the fear or hatred of foreigners?
16. What traditional and modern things have often played a large role in population size?

1. Who asked whether humankind would always be able to feed itself (last name)?
2. What is the key to lowering fertility rates?
4. Which North American country has received the largest flow of immigrants over the last 150 years?
5. When states are obligated to accept refugee and grant them safety it is called...
6. What is the process of taming and training animals and sowing, caring for, and harvesting plants for human uses?
7. In what stage does nutrition improve, medical science advance, and crude death rates drop dramatically?
13. In stage one the crude birth rates and crude death rates are..
15. What is the study of individual populations in terms of specific group characteristics?
17. What are people called who think that immigrants deserve fewer rights than existing inhabitants of a country?