9 Flashcards
demography
study of the characteristics of populations, especially human populations ; Demographers study the historical size and makeup.
age structure
The composition of a population in terms of the proportions of individuals of different ages.
survivorship
A survivorship curve is the graphic representation of the number of individuals in a population that can be expected to survive to any specific age
fertility rate
The fertility rate at a given age is the number of children born alive to women of that age during the year as a proportion of the average annual population of women of the same age.
migration
When a animal moves to another region usually for food and better seasons.
life expectancy
how long a animal is projected to live depending on their circumstance.
demographic transition
Demographic transition is a long-term trend of declining birth and death rates, resulting in substantive change in the age distribution of a population.
infrastructure
The term infrastructure refers to the basic physical systems of a business, region, or nation.
arable land
land fit or used for the growing of crops also : a plot of such land the village arable of Anglo-Saxon times.
urbanization
Urbanization is the process through which cities grow, and higher and higher percentages of the population comes to live in the city.
least developed countries
countries that are the least developed economically and technologically.