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Study Guide Chapters 8 & 9

What is biotic potential?

What is exponential growth? How is it expressed graphically?

What is the logistic growth? How is it expressed graphically?

What is carrying capacity?

What are some factors that are important when considering how many people can live on Earth?

Who was Thomas Malthus? What were Malthus’s predictions about the human population?

What is population?

What is growth rate?

What is birth rate? What are some factors that could affect birth rate?

What is death rate? What are some factors that could affect death rate?

What is the difference between immigration and emigration?

What is the formula used to determine the growth rate (aka natural increase) in the human population?

Answer the following using the above formula:

If a city of population 10,000 experiences 100 births, 40 deaths, 30 immigrants, and 20 emigrants in the course of a year, what is its net annual percentage growth rate?

If a city of population 10,000 experiences 90 births, 50 deaths, 10 immigrants, and 30 emigrants in the course of a year, what is its net annual percentage growth rate?

If a city of population 10,000 experiences 50 births, 70 deaths, 20 immigrants, and 40 emigrants in the course of a year, what is its net annual percentage growth rate?

What is the difference between density dependent and density independent factors that may affect population size? Give 2 examples of each.

Contrast r-strategists and K-strategists. Give 2 examples of each.

Explain the survivorship curve.

What is doubling time? How is doubling time estimated? (state formula and “name” of formula)

Answer the following using the above formula:

If the population of a country grows at a rate of approximately 5 percent per year, how many years are required for the population to double?

If the population of a country grows at a rate of approximately 4 percent per year, how many years are required for the population to double?

If the population of a country doubles in 100 years, what is its rate of growth?

If the population of a country doubles in 280 years, what is its rate of growth?

What is demography? What are population dynamics?

What is meant by a demographic transition?

Describe the phases of demographic transition. Be sure to discuss both the birth and death rates for each phase.

What are the potential effects of medical advances on the human population?

What is the World’s current human population? Current doubling time?

What is the US’s current human population? Current doubling time?

What are the three most populous countries?

What is the age structure of a population?

Describe the shapes of three generalized age structure diagrams and how each can be used to predict the growth of a country.

What types of countries are growing most rapidly? Give 2 examples.

What types of countries have low population growth rates? Give 2 examples.

What is the correlation between poverty and population growth?

What is total fertility rate?

What is replacement fertility rate?

What is infant mortality rate?

What is zero population growth (ZPG)?

What is food insecurity?

What is economic development? What is the most desired outcome?

What is gender inequality?

How do society, culture, education, and economics affect total fertility rate?

What may be the single most important factor affecting high total fertility rates?

What is population growth momentum?

What is arable land?

What are some ways that we can control population growth?

How does the use of technology affect the impact of a population on the environment?

What factors limit human population?

What are some incentives that the government of a country could offer its citizens that would favor a reduction in the growth rate of its population? What could be some possible drawbacks?