ࡱ> ceb[ kbjbj  0`pa!\pa!\k \\$  9*,....   )))))))$e+.)     )..)???  ..)? )??'(.HT"&() *09*:(.5.(((.t)0?   ))^   9*    .         \> : Name: __________________ Date: __________________ DEMOGRAPHICS LAB Procedure: Go to the following website,  HYPERLINK "http://www.learner.org/courses/envsci/interactives/demographics/" http://www.learner.org/courses/envsci/interactives/demographics/, and complete all of Lessons 1 and 2. Record the data and your answers to the questions on this sheet. Lesson 1: Step 1 CountryBirth RateDeath RatePopulation in 2005Simulated Population in 2050Stage in Demographic Transition (in 2005)USAChinaEgyptIndiaItalyMexicoNigeria How do you suppose living conditions differ between the country furthest along in the demographic transition compared to the country earliest in the transition? How would living conditions in these two countries affect both birth and death rates? Think of three social factors that contribute to lower birth rates in the countries farther along. How might these social conditions be encouraged to emerge in less developed countries? In general, how do the concepts of "early, middle, and late demographic transition" map to the concepts of "first, second, and third world countries"? Lesson 1: Step 2 CountryShape of Pyramid: PredictionShape of Pyramid: SimulationUSAChinaEgyptIndiaItalyMexicoNigeria How does the shape of the population pyramid differ from most developed to least developed country? Those in the population who are in the "prime of life" (roughly aged 20-60, depending on local conditions), support the populations younger and older than themselves. How might this impact the quality of life in countries with the various shapes of demographic pyramids? For your consideration: Countries that are now "late" in the demographic transition generally began it earlier than other countries, or, as with China, pursued the transition more aggressively. The USA is fairly late in the transition. What do you suppose its demographic pattern was like 100 years ago? What about China 100 years ago? Lesson 2: Step 1 NigeriaDefaultPrediction+ 5 years+15 years-5 yearsBirth rateDeath ratePopulation growth Sketch of Nigerias population age structure using USA birth and death rates at the end of 150 years: How and why does the shape change? How does an increase or decrease in the average childbearing age group change the population? Why do "first world" (developed) countries tend to have older childbearing women than "third world" (developing) countries? Lesson 2: Step 2 ItalyPrediction+ 5 years+15 years-5 yearsBirth rateDeath ratePopulation growth Did the pattern of population change match your prediction? If not, why not? Compare the final population pyramid for Italy to the one you sketched of Nigeria. How do they compare, and why are they similar or different? How are Italy's numbers different from Nigeria's? What do you think accounts for the difference? 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