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Homework from last week

Homework from last week. Review your test and correct your essay questions. Friday we will review the questions and then re-test Thursday. Are we ready to take the test?. Homework for Next class. Re-read pages 196-205 paying close attention to the following: Thomas Malthus & Paul Ehrilich

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Homework from last week

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  1. Homework from last week • Review your test and correct your essay questions. • Friday we will review the questions and then re-test Thursday. • Are we ready to take the test?

  2. Homework for Next class • Re-read pages 196-205 paying close attention to the following: • Thomas Malthus & Paul Ehrilich • What is the IPAT model? • Read pages 206 - 208 • What is demography (demographics)? • Age structure diagrams on 206, 207 & 208

  3. New Material • Quick review: • What is Carrying Capacity? • Explain the graph.

  4. New Material / review • China’s One Child policy. What are the issues with it? • China is running out of girls. Why? • Could this cause a drop in the population? • Could it lead to extinction? • Yes!

  5. New Material • Does the US have a form of population control? • I say yes, why? • What are the issues with a rapidly growing population? • 1. Increase in pollution • 2. Increase in disease • 3. Increase competition for resources (food, water, land, air,…. • The Russian Revolution was based on Peace, land and bread because people were starving.

  6. New Material • Birth Rate: • 19 births/1,000 population • 131.4 million births per year • 360,000 births per day • 15,000 births each hour • 250 births each minute • 4 births each second of every day • Death Rate: • 8 deaths/1,000 population • 55.3 million people die each year • 151,600 people die each day • 6316 people die each hour • 105 people die each minute • almost 2 people die each second

  7. New Material • Population Clock • http://www.census.gov/popclock/

  8. New Material • Thomas Malthus – who is he and why is he important? • Paul Ehrlich – who is he and why is he important? • One prediction that they had was: “population growth has indeed contributed to famine, disease, and conflict.” Is this true?

  9. New Material • Strong nations tend to have slow population growth. Why? • What is IPAT? • Impact = Population x Affluence x technology, sometimes add S for sensitivity, meaning development in a sensitive area. • Demography? What is it?

  10. New Material • Age Structure diagrams

  11. New Material • Populations are determined by: • Birth rate, death rate, immigration rate and emigration rates. • TFR – Total Fertility Rates: • Average number of children born per woman her lifetime • RF – Replacement Fertility: • Think of your family. If you an only child then negative growth, one sibling then zero growth..

  12. New Material • Transition Demographics – explain the chart below

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