| Question |
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| Answer |
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| Chain migration |
The migration event in which individuals follow the migratory path of preceding friends or family members to an existing community. |
| Crude Birth Rate CBR |
the number of live births per year per 1,000 people |
| Crude Death Rate |
the number of deathers per year per 1,000 people |
| Demographic Transition Model |
A sequence of demographic changes in which a country moves from high birth and death rates to low birth and death rates through time. |
| Demography |
the study of human populations |
| dependency ratio |
the ratio of the number of people who are either too old or young to provide for themselves to the number of people who must support them through their own labor. This is usually expressed in the form n:100 where n equals the number of dependents |
| doubling time |
time period required for a population to experiencing exponential growth to double in size completely |
| emigration |
the process of moving out of a particular country, usually, the individual person's country of origin |
| forced migration |
the migration event in which individuals are forced to leave a country against their will |
| immigration |
the process of individuals moving into a new country with the intentions of remaining there |
| infant mortality rate |
the percentage of children who die before their 1st birth day within a particular area or country |
| internal migration |
the permanent or semipermanent movement of individuals within a particular area or country |
| life expectancy |
the average age individuals are expected to live, which varies across space, between genders, and even between races |
| migration |
a long-term move of a person from one political jurisdiction to another |
| natural increase rate |
the difference between the number of births and number of deaths with in a particular country |
| Neo-Malthusian |
advocacy if population control programs to ensure enough resources for current and future population |
| overpopulation |
a value judgement based on the notion that the resources of a particular area are not great enough to support that area's current population |
| population density |
a measurement of the number of persons per unit land area |
| population geography |
a division of human geography concerned with spatial variations in distribution, composition, growth, and movement of population |
| population pyramid |
a model used in population geography to show the age and sex distribution of a particular population |
| pull factors |
attractions that draw migrants to a certain place, such as a pleasant climate and employment or educational opportunities |
| push factors |
incentives for potential migrants to leave a place, such as a harsh climate, economic recession, or political turmoil |
| refugees |
people who leave their home because they are forced out, but not because they are being officially relocated or enslaved |
| total fertility rate |
the average number of children born to a women during a childbearing years |
| voluntary migration |
movement of an individual who consciously and voluntary decides to locate to a new area-the opposite of forced migration |
| zero population growth |
proposal to the end population growth though a variety of official and nongovernmental family planning programs |
Biology Lab Midterm
