Influence of Immigration and Baby Boom on U.S. Population Growth
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Questions and Answers

What is the demographic transition model used to explain?

  • Population growth trends in less-developed countries
  • The stabilization of population as a country becomes industrialized (correct)
  • The causes of population growth in developed countries
  • The impact of social factors on population density

    • What does the birth rate refer to?

  • The number of individuals entering the population by reproduction during a certain period (correct)
  • The study of human populations and factors affecting them
  • The study of population growth rates in developed countries
  • The number of deaths in a population in a certain period

    • What determines population growth rates according to the text?

  • Biological, social, and economic factors (correct)
  • Biological factors only
  • Social factors only
  • Economic factors only

    • What does the death rate refer to?

    <p>The number of deaths in a population in a certain period</p> Signup and view all the answers

    Which countries are experiencing most of the population growth according to the text?

    <p>Less-developed countries</p> Signup and view all the answers

    What was a significant factor influencing U.S. population growth trends?

    <p>Increased birthrates during the post-war baby boom period from 1947-1961</p> Signup and view all the answers

    What is a factor that influences future population growth trends?

    <p>Legal and illegal immigration</p> Signup and view all the answers

    What concept suggests that the human population is subject to biological constraints like other species?

    <p>The carrying capacity concept</p> Signup and view all the answers

    What did the data from the U.S. Census Bureau show regarding the age distribution of the U.S. population from 1980-2010?

    <p>The proportion of the population aged 0-17 increased substantially</p> Signup and view all the answers

    What is the current rate of world population growth mentioned in the text?

    <p>1.1%</p> Signup and view all the answers

    What is there disagreement about regarding the future of the world's population?

    <p>The exact size and primary limiting factors of the carrying capacity</p> Signup and view all the answers

    What is the approximate world population as of 2011 according to the information provided?

    <p>7 billion</p> Signup and view all the answers

    Which of the following is the best description of the human population growth curve shown in the text?

    <p>A sharply rising exponential growth phase that is still increasing rapidly</p> Signup and view all the answers

    What is the approximate doubling time for the human population according to the information provided?

    <p>35 years</p> Signup and view all the answers

    Which of the following best describes the population characteristics of more-developed countries according to the text?

    <p>Relatively stable populations with per capita income exceeding $40,000</p> Signup and view all the answers

    What is the combined population of the more-developed countries mentioned in the text?

    <p>1.27 billion</p> Signup and view all the answers

    According to the information provided, what is the expected population growth rate for the world between 2020 and 2050?

    <p>3.5%</p> Signup and view all the answers

    What does natality refer to in a population?

    <p>The number of individuals added to a population through reproduction</p> Signup and view all the answers

    Which type of survivorship curve indicates high mortality only in old age?

    <p>Species with high mortality only in old age</p> Signup and view all the answers

    How is the population growth rate calculated?

    <p>Birthrate minus the death rate</p> Signup and view all the answers

    What does sex ratio refer to in a population?

    <p>The relative number of males and females in a population</p> Signup and view all the answers

    In human population studies, how is population growth rate often expressed?

    <p>As a percentage of the total population</p> Signup and view all the answers

    What aspect does the survivorship curve show?

    <p>The proportion of individuals likely to survive to each age</p> Signup and view all the answers

    Which factor contributes to lower fertility rates?

    <p>Better-educated women having access to birth control</p> Signup and view all the answers

    What is the relationship between a country's growth rate and its average standard of living according to the text?

    <p>There is an inverse relationship between growth rate and standard of living</p> Signup and view all the answers

    Which of the following is an economic factor that influences human population growth according to the text?

    <p>Young children contributing to the family economy in less developed countries</p> Signup and view all the answers

    What policy did the text mention that some European countries have instituted to encourage couples to have more children?

    <p>Paid maternity leave and guaranteed job availability upon the mother's return to work</p> Signup and view all the answers

    Which of the following is a political factor that influences human population growth?

    <p>Governments providing information on family planning and maternal and child health</p> Signup and view all the answers

    What is the relationship between female literacy and total fertility rate according to the data shown in the image?

    <p>As female literacy increases, total fertility rate decreases</p> Signup and view all the answers

    What is the purpose of immigration policies in some countries according to the text?

    <p>To offset a potential decline in the number of working-age citizens</p> Signup and view all the answers

    Which of the following is a social factor that influences human population growth according to the text?

    <p>Lack of education opportunities for women</p> Signup and view all the answers

    Which of the following is a reason why parents in some cultures desire large families?

    <p>In countries with high infant mortality, having large families ensures some children will survive to adulthood</p> Signup and view all the answers

    What is the relationship between a country's population growth rate and its average standard of living according to the text?

    <p>There is an indirect relationship between growth rate and standard of living</p> Signup and view all the answers

    What is an important economic measure of standard of living according to the text?

    <p>Gross national income (GNI)</p> Signup and view all the answers

    Why do people in less-developed countries generally feed at lower trophic levels than those in the developed world?

    <p>They have less access to animal protein sources</p> Signup and view all the answers

    What is one reason why solving the problem of food distribution is not an easy question?

    <p>All of the above</p> Signup and view all the answers

    What is a characteristic of the demographic transition model described in the text?

    <p>Initially, countries have a stable population with high birth and death rates</p> Signup and view all the answers

    What was a significant factor influencing U.S. population growth trends according to the text?

    <p>A post-war baby boom period</p> Signup and view all the answers

    What percentage of North Americans are overweight or obese according to the text?

    <p>66%</p> Signup and view all the answers

    Which of the following best describes the population characteristics of more-developed countries according to the text?

    <p>They have a higher percentage of overweight and obese individuals</p> Signup and view all the answers

    What is one factor that determines food availability according to the text?

    <p>Political activities such as war, repayment of foreign debt, corruption, and poor management</p> Signup and view all the answers

    What is the emphasis that must be placed on solving the problem of food distribution according to the text?

    <p>Self-sufficiency</p> Signup and view all the answers

    What is a characteristic of the later stages of the demographic transition model described in the text?

    <p>The birth rate falls to equal the death rate and the population stabilizes</p> Signup and view all the answers

    Which of the following terms refers to the movement of individuals from densely populated areas to new locations?

    <p>Dispersal</p> Signup and view all the answers

    What is the term used to describe the inherent reproductive capacity of a species?

    <p>Biotic potential</p> Signup and view all the answers

    Which phase of population growth is characterized by a slowing of the growth rate as the birth rate and death rate become equal?

    <p>Deceleration phase</p> Signup and view all the answers

    What term refers to factors that originate within a population and exercise control over it?

    <p>Intrinsic limiting factors</p> Signup and view all the answers

    Which of the following is NOT one of the four main categories of limiting factors recognized as components of environmental resistance?

    <p>Predator-prey interactions</p> Signup and view all the answers

    What term refers to the maximum sustainable population for an area?

    <p>Carrying capacity</p> Signup and view all the answers

    Which of the following factors can influence the carrying capacity of an area?

    <p>All of the above</p> Signup and view all the answers

    What term refers to organisms that typically reach a stable population as the population reaches the carrying capacity?

    <p>K-strategists</p> Signup and view all the answers

    Which of the following is an example of an extrinsic limiting factor?

    <p>Lack of sunlight</p> Signup and view all the answers

    What term refers to limiting factors that become more effective as the density of the population increases?

    <p>Density-dependent limiting factors</p> Signup and view all the answers

    According to the information provided, what is the primary factor limiting the size of the human population?

    <p>Carrying capacity</p> Signup and view all the answers

    What does the exponential growth phase of a population growth curve represent?

    <p>A period of rapid population increase</p> Signup and view all the answers

    Which of the following is NOT listed as a cause of population growth in the text?

    <p>Environmental factors</p> Signup and view all the answers

    What does the demographic transition model suggest about the population of industrialized countries?

    <p>Their populations become stabilized</p> Signup and view all the answers

    What is the difference between the birth rate and the death rate?

    <p>The birth rate is the number of individuals entering the population, while the death rate is the number of deaths</p> Signup and view all the answers

    According to the information provided, where is most of the world's population growth occurring?

    <p>In less-developed countries</p> Signup and view all the answers

    What is the total fertility rate for a population to achieve replacement fertility?

    <p>2.1</p> Signup and view all the answers

    Which of the following describes the characteristics of less-developed countries (LDCs)?

    <p>Nearly 700 million live on less than $1.90 per day</p> Signup and view all the answers

    What is the primary social factor determining family size in many cultures?

    <p>The status and desires of women</p> Signup and view all the answers

    Which practice is beneficial for reducing fertility rates in certain cultures?

    <p>Breastfeeding</p> Signup and view all the answers

    What does the ecological footprint measure?

    <p>The land area required to provide resources and absorb wastes</p> Signup and view all the answers

    How does the ecological footprint of more-developed countries compare to their land area?

    <p>It is much larger than their land area</p> Signup and view all the answers

    How does the use of renewable energy sources like wind and solar impact the environment?

    <p>It lowers environmental impact</p> Signup and view all the answers

    What is the expected population growth rate for less-developed countries between 2020 and 2050?

    <p>32%</p> Signup and view all the answers

    What does the study of demography focus on?

    <p>The characteristics of populations and their growth</p> Signup and view all the answers

    Which factor is NOT mentioned as influencing human population growth rates?

    <p>Seasonal factors</p> Signup and view all the answers

    Which of the following best describes r-strategists?

    <p>Small organisms that produce many offspring with little parental care</p> Signup and view all the answers

    What is the primary factor limiting the population growth of r-strategists?

    <p>Density-independent factors like natural disasters or environmental changes</p> Signup and view all the answers

    Which of the following organisms would be considered a typical K-strategist?

    <p>Humans</p> Signup and view all the answers

    What is the primary reason cited for the rapid increase in human population growth?

    <p>Lowering of the death rate due to disease control and improved food production</p> Signup and view all the answers

    What does the doubling time of 35 years for the human population represent?

    <p>The time it takes for the world population to double in size</p> Signup and view all the answers

    According to the information provided, what is the approximate world population as of 2011?

    <p>7 billion</p> Signup and view all the answers

    Which of the following best describes the population characteristics of more-developed countries according to the text?

    <p>Relatively stable populations with low growth rates</p> Signup and view all the answers

    What concept suggests that the human population is subject to biological constraints like other species?

    <p>Carrying capacity</p> Signup and view all the answers

    Which of the following best represents the shape of the historical human population growth curve?

    <p>A long lag phase followed by a sharply rising exponential phase</p> Signup and view all the answers

    According to the information provided, which countries are experiencing most of the population growth?

    <p>Less-developed countries with lower economic development</p> Signup and view all the answers

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