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UNIT2
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- 1Agricultural densityThe ratio of the number of farmers to the total amount of land suitable for agriculture.
- 2agricultural revolutionthe time when human beings first domesticated plants and animals and no longer relied entirely on hunting and gathering.
- 3Arithmetic densityThe total number of people divided by the total land area
- 4CensusA complete enumeration of a population
- 5Crude birth rate (CBR)The total number of live births in a year for every 1,000 people alive in the society
- 6Crude death rate (CDR)The total number of deaths in a year for every 1,000 people alive in the society
- 7Demographic transitionThe process of change in a society's population from a condition of high crude birth and death rates and low rate of natural increase to a condition of low crude birth and death rates, low rate of natural increase, and a higher total population.
- 8DemographyThe scientific study of population characteristics
- 9Dependency ratioThe number of people under the age of 15 and over age 64 compared to the number of people active in the labor force.
- 10Doubling timeThe number of years needed to double a population, assuming a constant rate of natural increase.
- 11EcumemeThe portion of Earth's surface occupied by permanent human settlement.
- 12Epidemiologic transitionDistinctive causes of death in each stage of the demographic transition.
- 13EpidemiologyBranch 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.
- 14Industrial RevolutionA series of improvements in industrial technology that transformed the process of manufacturing goods.
- 15Infant mortality rate (IMR)The total number of deaths in a year among infants under 1 year old for every 1,000 live births in a society.
- 16Life expectancyThe average number of years an individual can be expected to live, given current social, economic, and medical conditions. Life expectancy at birth is the average number of years a newborn infant can expect to live.
- 17Medical revolutionMedical technology invented in Europe and North America that is diffused to the poorer countires of Latin America, Asia, and Africa. Improved medical practices have eliminated many of the traditional causes of death in poorer countries and enabled more people to live longer healthier lives.
- 18Natural increase rate (NIR)The percentage growth of a population in a year, computed as the crude birth rate minus the crude death rate.
- 19OverpopulationThe number of people in an area exceeds the capacity of the environment to support life at a decent standard of living.
- 20PandemicDisease that occurs over wide geographic area and affects a very high proportion of the population.
- 21Physiological densityThe number of people per unit of area of arable land, which is land suitable for agriculture.
- 22Population pyramidA bar graph representing the distribution of population by age and sex.
- 23Sex ratioThe number of males per 100 females in the population
- 24Total fertility rate (TFR)The average number of children a woman will have throughout her childbearing years.
- 25Zero population growth (ZPG)A decline of the total fertility rate to the point where the natural increase rate equals zero.
- 26Brain drainLarge-scale emigration by talented people
- 27Chain migrationMigration of people to a specific location because relatives or members of the same nationality previously migrated.
- 28CirculationShort-term, repetitive, or cyclical movements that recur on a regular basis.
- 29CounterurbanizationNet migration from urban to rural areas in more developed countries
- 30EmigrationMigration from a location
- 31FloddplainThe area subject to flooding during a given numbers of years according to historical trends.
- 32Forced migrationPermanent movement compelled usually by cultural factors.
- 33Guet workersWorkers who migrate to the more developed countries of Northern and Western Europe, usually from Southern And Eastern Europe or from North Africa, in search of higher-paying jobs
- 34ImmigrationMigration to a new location
- 35Internal migrationPermanent movement within a particular country
- 36International migrationPermanent movement from one country to another
- 37Interregional migrationPermanent movement from one region of country to another.
- 38Intervening obstacleAn environmental or cultural feature of the landscape that hinders migration.
- 39Intraregional migrationPermanent movement within one region of a country.
- 40MigrationForm of relocation diffusion involving a permanent move to a new location
- 41Migration transitionChange in the migration pattern in a society that results from industrialization, population growth, and other social and economic changes that also produce and demographic transition.
- 42MobiltiyAll types of movement from one location to another.
- 43Net migrationThe difference between the level of immigration an the level of emigration
- 44Pull factorFactor that induces people to move to a new location
- 45Push factorFactor that induces people to leave old residences
- 46QuotasIn reference to migration, laws that place maximum limits on the number of people who can immigrate to a country each year.
- 47RefugeesPeople who are forced to migrate from their home country and cannot return for fear of persecution because of their race, religion, nationality, membership in a social group or political
- 48Unauthorized immigrantsPeople who enter a country without proper documents
- 49Voluntary migrationPermanent movement undertaken by choice.
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- Fichas sobre UNIT2, creado por dannyrubio25 el 06/05/2014.
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- dannyrubio25
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