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We can understand how population is distributed by examining two basic properties-_______& _______.
2/3 of the world's inhabitants are clustered in four regions. They are:
East Asia, South Asia, Southeast Asia, and Europe
Maps that depict the size of countries according to population rather than land area
Which of the three types of densities provide a better measure of the relationship between a population and the availability of resources in a society?
_____ have lower agricultural densities because technology and finance allow a few people to farm extensive land areas and feed many people
Define: Crude Birth Rate (CBR)
the total number of live births in a year for every 1000 people alive in the society
Define: Crude Death Rate (CDR)
the total number of deaths in a year for every 1000 people alive in the society
Define: Total Fertility Rate (TFR)
measures the number of births in a society; the average number of children a woman will have throughout her childbearing years
Define: Infant Mortality Rate (IMR)
the annual number of deaths of infants under 1 year of age, compared with total live births; also per 1000 births
________ measures the average number of years a newborn infant can expect to live at current mortality levels
Stage 2 of the demographic transition is characterized by _______
high growth;CDR plummets while CBR remains the same
Stage 3 of the demographic transition is characterized by______
moderate growth; birth rate starts declining with death rates but CBR is still greater than the CDR
Stage 1 of the demographic has ____ birth and death rates while stage 4 has _____ birth and death rates
Define: Agricultural revolution
time when human beings first domesticated plants and animals and no longer relied completely on hunting and gathering
Population in a country is influenced by the demographic transition in two ways:_______ and __________
the percentage of the population in each age group; the distribution of males and females
Define: Dependency ratio
the number of people who are too young or too old to work, compared to the number of people in their productive years (0-14,65+)
English economist ______________ was the first to argue that the world's rate of population increase was far outrunning the development of food supplies
Emphasizing reliance on _________ and distribution of _________ has reduced birth rates
economic development; contraceptives
Define: Epidemiologic transition
focuses on distinctive causes of death in each stage of the demographic transition
the branch of medical science concerned with the incidence, distribution, and control of diseases that are prevalent among a population at a special time and are produced by some special causes not generally present in the affected locality
Epidemiologic Transition stages 1 and 2
infectious and parasitic diseases were principal causes of human death
Define: Pandemic (stage 2)
disease that occurs over a wide geographic area and affects a very high proportion of the population
Epidemiologic Transition stage 3
the stage of degenerative and human created diseases. Characterized by a decrease in death from infectious diseases and an increase in chronic disorders
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