According to demographic transition theory, fertility rates decline in industrialized societies due to
a. the increased economic value of children.
b. the increased survival rates of infants and children.
c. parasites and infectious disease due to unsafe water supplies.
d. increased infertility of females due to pollution.
Question 2
According to demographic transition theory, industrialization led to a decline in mortality because of
a. improved sanitation.
b. availability of birth control.
c. decreased pollution.
d. improvements in transportation.
Estimating cicada population size and predation rates by birds.
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The rates of police reported sexual offences