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Chapter 2 KTs

Chapter 2 Key Terms Rubenstein

The diffusion of medical technology that resulted in longer life expectancy in less developed countries Medical revolution
The number of males per hundred females Sex ratio
When the crude birth rate is the same as the crude death rate Zero population growth
The number of infants that die before their first birthday per one thousand live births Infant mortality rate
The total number of people divided by the total land area Arithmetic density
The ratio of farmers per unit of arable land. Agricultural density
The time when humans first domesticated plants and animals Agricultural revolution
The average number of children a woman will have throughout her childbearing years Total fertility rate
The transformation of the means of production from cottage industry to large scale commercial manufacturing Industrial Revolution
The percentage by which a population grows in a year Natural increase rate
A type of graph that shows information about a population by age and gender Population pyramid
The number of years a newborn can expect to live Life expectancy
The total number of deaths in a year for every 1,000 people in a country Crude death rate
The total number of live births in a year for every 1,000 people alive in a society Crude birth rate
Distinctive causes of death in each stage of the demographic transition Epidemiologic transition
The number of years it takes for a population to increase by one hundred percent Doubling time
The total population divided by the amount of arable land. Physiological density
The number of people who are too young or old to work. Dependency ratio
A disease that covers a wide area and affects very high proportion of the population Pandemic
The portion of the earth's surface occupied by permanent human settlement Ecumene
Created by: Bramble