The most important reason for the massive increase in the human population over the past 200 years is
a. the Green Revolution that increased agricultural productivity.
b. the increase in the birth rate.
c. technology that has made it possible for humans to live in more places.
d. the decline in the death rate.
Question 2
Population growth was slow for most of human history because
a. death rates were very high.
b. abortion rates were very high.
c. people preferred small families.
d. low levels of technology always lead to low rates of growth.
Human Ecology and Biology
Population Interactions and Communities
Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a
Mount Pinatubo caused ~1˚C cooling for up to 5 years
Population Forecasting
A hypothesis test is performed to test the claim that a population proportion is greater than ...