The population pyramid of a city in southern Florida, Arizona, or even northern Japan may have a visual appearance of ________ because the city's population is dominated by elderly people.
A) being upside down
B) having a wide base
C) having perfectly vertical sides
D) being an age-sex ratio
E) being rightside-up
Question 2
The shape of a country's population pyramid
A) may be used to predict maternal mortality rates.
B) cannot be used to determine infant mortality rates.
C) may be used to estimate the country's dependency rate.
D) cannot be used to estimate the country's sex ratio.
E) is determined primarily by the combination of its crude birth rate and its crude growth rate.
Abiotic factors influence population densities.
The Dall sheep, Ovis dalli, a mountain sheep of far northern North America, was the subject of one o
Population Ecology "البيئة السكان"
Power-tower in Southern California, largest such facility in the world
The level of future emissions is closely linked to the rate of population growth