The trend of an increasing proportion of the population being composed of older people is expected to continue well through the twenty-first century. A reason behind this is ________.
a. a decline in mortality
b. a decrease in number of postwar baby boomers
c. an increase in the birth rate
d. a decrease in the average life span of the population
Question 2
Which of the following most accurately exemplifies a transnational?
a. Diego, of Mexican origin, lives in the United States and frequently hosts and visits his relatives from Mexico.
b. Rose, of Cuban origin, reached the United States on a boat and was adopted by an American family.
c. Abdul, of Iraqi origin, lives outside his war-torn country for fear of harm should he return to Iraq.
d. Lily, of Chinese origin, is married to a White American for forty years and has four children with him and seven grandchildren.
Flipper tags have been extensively used in the study of penguin population dynamics.
The secular trend in growth as measured in Swedish (a) girls and (b) boys between 1883 and 1968.
Population Density
The melting of glaciers and ice sheets is making an increasing contribution
World Population, 1850–2150
The population of a city has continued to grow since 1950.