A general model of an ecosystem locates positions in the flow of energy and materials from the Sun, Geography Discussion Help

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Can someone help me answer the below questions:1.) A general model of an ecosystem locates positions in the flow of energy and materials from the Sun, atmospheric gases, water, nutrients, plants, decomposers, herbivores, and carnivores. What position would you allocate to human beings?2.) Given what we have learned about the Earth’s resources, discuss the statement, “There is no limit to Earth’s resources as human ingenuity will tend to solve any shortages.” How does this statement differ from the Malthusian view Point?3.) Watch the podcast, “Distilled Demographics Mortality Rate” from the Population Reference Bureau (PRB) at http://www.prb.org/Journalists/Webcasts/2010/distilleddemographics3.aspx In this video, PRB senior demographer Carl Haub explains how “crude” birth rates, the total fertility rate, and replacement-level fertility rates are measured. Using examples from various countries, why do these measures matter for public health and economic development?Watch the podcast, “Distilled Demographics: Mortality Rate” from the Population Reference Bureau (PRB) at http://www.prb.org/Journalists/Webcasts/2010/distilleddemographics4.aspx In this video, PRB senior demographer Carl Haub discusses the trends behind this “revolution” in mortality, explains how “crude” death rates are measured. Using examples from various countries, why do these measures matter for public health and economic development?Webliography: Population Reference Bureau http://www.prb.org Answer the following questions after viewing: 1) What does the term demography mean? 2) What does Haub mean when he says, “Demography is destiny”? Use an example from the video to support your answer. Be sure to reply to at least one classmate in this topic.4.) Examine the 2011 population pyramids for Sudan, Japan, and the USA at www.census.gov. Describe the characteristics of the population and identify the services necessary to serve this population over the next 10 to 15 years.To view the population pyramids, use the US Census Bureau website athttp://www.census.gov.•Go to People and Households and click on International•Click on IDB (International Data Base)•Click on Data Access•Select Country (Sudan, Japan and the USA)•Year: 2011•Click Submit•Click Demographic Indicators to review the data•Click Population Pyramid to view pyramids Use the demographic indicators and the population pyramid to answer the following question: Describe the characteristics of the population and identify the services necessary to serve these populations over the next 10 to 15 years. Be sure to define and discuss the implications of each of the following population characteristics for Sudan, Japan and the USA.•Birth rate•Death rate•Fertility rate•Infant mortality•Life expectancy•Natural increase•Net migration Put your work in a table form Webliography: U.S. Census Bureau – www.census.gov5.) Look at the three population pyramids and chose one to answer this question. If you were a business person and wanted to do business in a country with the following population pyramids, what kind of business would you conduct that would be profitable to you and what age group taking into consideration the different cohorts within the population pyramids.

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