Studies of fertility among the hunting and gathering populations, the French Canadian settlers, and the Irish indicate that __________.
a. societies were able to adjust birth rates to adapt to the social and economic environment in which they existed
b. these populations had lower life expectancies, because lack of birth-spacing led to poverty and famine
c. when population density was low, more land could be devoted to agriculture, and enough food could be grown to eliminate famine
d. societies were not able to make adjustments to birth rates or mortality rates
Question 2
A study of production and consumption done by the United Nations indicates __________.
a. that in populations with low life expectancy, production exceeds consumption
b. that countries with aging populations cannot have high rates of economic development
c. that as life expectancy increases, output increases to exceed consumption
d. that one in five people over-consumes and that they all live in the United States
Muskox populations remain in the Arctic all year, though they migrate to higher elevations in the wi
Drawing of French explorer Paul du Chaillu at close quarters with a gorilla
Unregulated populations "J-shaped curve"
Total Fertility Rate in Japan: Actual versus Forecast
Selected Broad Sense Heritability (H2) Values from Human Twin Studies