apes chapter 7 quiz review
The most critical factor to stabilizing human population growth is... decreasing infant death rates. curing diseases delaying childbirth. decreasing the average number of births per woman. stabilizing lifespan.
decreasing the average number of births per woman.
If the growth rate (r) of a population is positive and remains constant, the number of people added to the population... decreases each year fluctuates randomly reaches carrying capacity increases each year remains constant
increases each year
Countries undergoing the Demographic Transition tend to have a(n) __________ age structure diagram. round square pyramid-shaped rectangular-shaped inverted triangle
pyramid-shaped
At present, Earth's human population is growing at approximately what rate per year? 0.1% 1% 1.2% 10% 10 billion
1.2%
Which of the following most closely represents replacement-level fertility in a population? 1.5 births per woman 2.0 births per woman 2.1 births per woman 2.5 births per woman 3.5 births per woman
2.1 births per woman
Using the rule of 70, a country growing at 2% per year would double in 7 years 10 years 35 years 70 years 140 years
35 years
Average global life expectancy is around ____ years, ranging from about ____ in Japan and Western Europe to ____ in many sub-Saharan African countries. 58; 58; below 50 58; 68; below 30 68; 80; below 50 78; 88; below 60 60; 80; below 40
68; 80; below 50
During stage II of the demographic transitions... Birth rates fall while death rates remain constant Birth rates increase and death rates remain constant Birth rates remain constant while death rates fall Birth rates and death rates both fall Birth rates and death rates both remain constant
Birth rates remain constant while death rates fall
Thomas Malthus' ideas about the carrying capacity of Earth have been wrong so far in human history because... The human population did not increase dramatically Populations grow exponentially while food supply grows linearly Disease, War and Famine are still with us today Constant innovation has overcome environmental resistance to raise Earth's carrying capacity Food supply has not kept up with population growth
Constant innovation has overcome environmental resistance to raise Earth's carrying capacity
The total environmental impact of a population is best measured by... The IPAT equation Total Fertility Rate The demographic transition Age structure diagrams The Rule of 70
The IPAT equation
Populations with a (relatively) rectangular-shaped age structure diagrams have __________ high death rates a similar number of individuals in each age group a high growth rate a declining population all of the above
a similar number of individuals in each age group
Under which of the following conditions would a population grow? the birth rate and the death rate are equal. the birth rate exceeds the death rate and there is no immigration or emigration. emigration exceeds immigration and the birth rate equals the death rate. the birth rate equals the death rate and immigration is equal to emigration. the carrying capacity is exceeded.
the birth rate exceeds the death rate and there is no immigration or emigration.
The Total Fertility Rate (TFR) for a country is an estimate of... the number of children that will survive to adulthood. the number of years a typical infant will live. the number of births per 1000 people per year. the percentage of women in a population that are able to have children. the number of children each woman in a population will have.
the number of children each woman in a population will have.
