🙏 Free Reviews 2020
🗺 Unit 1: Thinking Geographically
1.1Introduction to Maps and Types of Maps
1.5Humans and Environmental Interaction
👪 Unit 2: Population & Migration
2.0Unit 2 Overview: Population and Migration Patterns and Processes
2.5The Demographic Transition Model
2.6Malthusian Theory and Geography
2.10Push and Pull Factors in Migration
🕌 Unit 3: Cultural Patterns & Processes
3.1Introduction to Culture
3.4Types of Cultural Diffusion
3.7Diffusion of Religion and Language
🗳 Unit 4: Political Patterns & Processes
👨🌾 Unit 5: Agriculture & Rural Land-Use
5.0Unit 5 Overview: Agriculture and Rural Land-Use Patterns and Processes
5.1Introduction to Agriculture
5.2Settlement Patterns and Survey Methods
5.3Agricultural Origins and Diffusions
5.6Agricultural Production Regions
5.7Spatial Organization of Agriculture
5.9The Global System of Agriculture
5.10Consequences of Agricultural Practices
5.11Challenges of Contemporary Agriculture
🌇 Unit 6: Cities & Urban Land-Use
6.2Cities Across the World
6.4The Size and Distribution of Cities
6.5The Internal Structure of Cities
💸 Unit 7: Industrial & Economic Development
7.0Unit 7 Overview: Industrial and Economic Development Patterns and Processes
7.3Measures of Development
7.4Women and Economic Development
7.5Theories of Development
🧐 Multiple Choice Questions (MCQ)
Exam: Human Geography Multiple Choice
Human Geography Multiple Choice Questions
✍️ Free Response Questions (FRQ)
April 30, 2020
Sex ratio is the number of males per one hundred females in the population. That and age structure are analyzed and mapped in regions around the world. In the developed world there are more women than men.
This is because the life expectancy is longer for women than men in every country. This is because men tend to have jobs with higher mortality rates (construction, police, military). Men are at higher risks of heart disease.
Men also die in accidents more often.
In the developing world, there are more men because male babies are preferred. In India, it is illegal to find out the sex of the baby in utero, because of so many abortions of female fetuses. In China, there are now millions more men than women in their childbearing years, because during the one-child policy male babies were strongly preferred.
Patterns of people at various ages vary in different regions within countries. Cities with large universities have an inordinate number of people aged 15-24. Parts of Florida and Arizona with large retirement communities have a high percentage of people 60 and older.
In some countries you will find an extremely high number of men between their 20s and 50s, because of so many migrant workers coming in for employment opportunities.
The most important tool in measuring sex ratio and age structure is the population pyramid, which is a bar graph that represents the distribution of population by sex and age. Population pyramids use five year increments of age and separate males on the left and females on the right (women are always right!)
This can show you if there is a high or low dependency ratio, more females or males, or a high percentage of young or old.
What can you learn from population pyramids?
Size of dependent populations
Birth rate / death rate
Size of economically active populations
This is very handy when analyzing a country’s stage in the demographic transition model (DTM). It is the process of change in a society’s population from a condition of high crude birth and crude death rates, and low rates of natural increase, to a condition of low crude birth and crude death rates, low rate of natural increase, and higher total population.
🎥 Watch: AP HUG - Population Pyramids
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