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What factors affect birth rates and death rates worldwide?
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- How can a single child born in the United States have a greater effect on the environment and natural resources than a dozen children born in Kenya?How do populations become allopatric?Using the above graph, what is the approximate percent of the population in the US and Kenya that is under the age of 15? (number order represents US, Kenya) A24,26 B12,28 C32,62 D16,36
- Which is more severe, a disease with a high mortality or onewith a high morbidity? What is a DALY?Explain what happens to the population when birth rate is greater than death rate, death rate is greater than birth rate, and birth rate is equal to death rateIdentify the demographic transition stage for a country that has an age structure consisting of a large number of people in the pre-reproductive age group due to continuous births , but also has a small amount of people in the elderly population due to death rates falling. a) Stage 1 b) Stage 2 c) Stage 3 d) Stage 4
- How do life expectancy and infant mortality affect the population size of a country?Out of the following age groups , which has changed significantly the most over time in the United States? A) ages under 5 years B) ages above 80 years C) ages 25 to 34 years D) ages 35 to 44 years::7 From the data given below calculate the gross reproduction rate assuming that the ratio of female births to total births is 49%: Age-group 16-20 21-25 26-30 31-35 36-40 41-45 46-50 Fertility rate per 1000 women 20 170 242 200 16 69
- How do you read this graph? How does it show the mortality ratio for black women compared to white women?Explain?What effect does each of the following have on population size: natality, mortality, immigration, and emigration?If a third of the world population is now below the age 15, what effect will this age distribution have on the growth rate of the human population? What sort of humane reccomendations would you make to encourage this age group to limit the number of children they plan to have?