Mrs. French's Website



UNIT 2 REVIEWPOPULATION & MIGRATIONBIG IDEAS:Population, Population Patterns, Demographic Transition, Population Pyramids, Population Policies 0112395Population Distribution2/3 of the world’s inhabitants are clustered in four regions:List of World’s Most Populous Countries:China 1.4 billionIndia 1.3 billionUSA 327 millionIndonesia 263 millionBrazil 210 million 00The portion of Earth’s surface occupied by permanent human settlement is called the ______________________. Sparsely populated regions:Population DensitiesARITHMETIC/POPULATION DENSITY: HIGH DENSITY = lot of people, little landLOW DENSITY = little people, lot of landPHYSIOLOGICAL DENSITYHIGH DENSITY = lot of people, little arable landGreat pressure to produce enough foodLOW DENSITY = more arable land than peopleAGRICULTURAL DENSITYHIGH DENSITY = Lot of farmers for available farmlandLOW DENSITY = lot of farmland, little farmersMDCS: technology and finance allow a few people to farm extensive landCrude Birth Rate (CBR): Crude Death Rate (CDR): Natural Increase Rate (NIR): Today = Doubling time: Total fertility rate (TFR): Infant mortality rate (IMR): Life Expectancy: Zero population growth: 100584035560-869950512445 Events that influenced population growthExplanation Agricultural RevolutionIndustrial RevolutionMedical Revolution Population pyramids: a bar graph showing distribution of people by age and sex. Shape tells a lot about communities’ distinctive character 3886200215265Dependency ratio: Sex ratio: 685800203200457200-914400EXPANDINGEXPANSIVESTABLESTATIONARYDECLININGCONSTRICTIVEWhat’s happening?Graying population means…. What factors lead to a graying population?What problems might a country with a graying population face in the future?457200-599440Where is population growing the fastest? What is causing rapid growth in this region?What problems might a country with a rapid population growth?3429000240030Malthus on overpopulation: Population growth would press against available resources in every country, unless “moral restraint” produced lower ___________ or unless disease, famine, war or other disaster produced higher ____________ Neo-Malthusians ArgumentsCritics of Malthus Arguments Believe population growth is worse than Malthus predicted ARGUMENTS:Population growth is not a problemARGUMENTS:296989527940-21844036146PRO-NATALISTANTI-NATALISTMeaning/definitionSpecific ExamplesOther Factors that influence Birth RateFactors the Influence CBR TechnologyTechnologies and birth control methods can lower CBR,Technologies that decrease CDR puts less pressure to have a lot of children SocialIn MDCs more wealth and leisure time leads to activities not suitable for children, traveling, bars, restaurants.More people living in cities, women getting married later in life, women more educated CulturalBirth control methodsWomen more accepted in the work force, women getting more educated EconomicCost of supporting a bigger family in MDCs leads to less childrenLDCs more children is better for tending to farms and agriculture Government PoliciesChina (One-Child Policy), IndiaEncouraging less children, family planning, birth controls_____________________________________: branch of medical science concerned with incidence, distribution, and control of diseases that affect large numbers of peopleStage 1Stage 2Stage 3 & 4Stage 5What’s happeningPestilence and famine, pandemics, infectious diseases. Malthus called these causes of deaths “natural checks” on the growth of human population. receding pandemics. A pandemic is disease that occurs over a wide geographic area and affects a very high proportion of the population. Improved sanitation, nutrition, and medicine during the Industrial Revolution reduced the spread of such diseases. degenerative and human-created diseases, is characterized by a decrease in deaths from infectious diseases and an increase in chronic disorders associated with aging. Because of evolution, poverty, and improved travel Specific exampleDescribe the relationship between women’s opportunities and population growth. ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download