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PLS 103 Exam 1 questions well answered to pass
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PLS 103 Exam 1What fraction of those living in extreme poverty live in Africa? - correct answer ✔✔2/3
What country has the most poverty? - correct answer ✔✔Nigeria (50% of population)
What determines our ability to feed the world's people? - correct answer ✔✔1. agricultural productivity
2. good food storage
3. effective food distribution
4. rate of change of demand
How many people were there in 1830? - correct answer ✔✔1 billion
How many people were there in 1930? - correct answer ✔✔2 billion
How many people were there in 1980? - correct answer ✔✔4 billion
How many people were there in 2000? - correct answer ✔✔6 billion
What is demography? - correct answer ✔✔the study of the characteristics of human populations
What is population growth? - correct answer ✔✔birth rate - death rate
What is the total fertility rate? - correct answer ✔✔the average number of children a woman will have
throughout her lifetime
What is the replacement value? - correct answer ✔✔the average number of children per woman needed
to replace the population
, What is the crude birth rate? - correct answer ✔✔number of births per 1000 people per year
What is the crude growth rate? - correct answer ✔✔the number of people added to a population
expressed as a percentage of that population
Where can we see the highest birth rates? - correct answer ✔✔Africa
How does poverty influence birth rate? - correct answer ✔✔more poverty = higher birth rate
How does education influence birth rate? - correct answer ✔✔more education = lower birth rate
How does economic development influence birth rate? - correct answer ✔✔better economy = lower
birth rate
What did Thomas Malthus believe? - correct answer ✔✔population growth would lead to more poverty
because food supply wouldn't be able to keep up with demand
What do Neo-Malthusians believe? - correct answer ✔✔population growth not only results in poverty,
but also economic, environmental, and political instability
What 4 factors contribute to US food security? - correct answer ✔✔1. large area of arable land
2. excellent climate
3. excellent supply of water
4. inexpensive energy supply
Affluent nations use ______ resources to produce ______ food on ______ land - correct answer
✔✔more, more, less
How much of the population is foreign-born? - correct answer ✔✔13.5%
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