Flashcards in Glossary Population Deck (15)
____: the number of human beings that can be supported and sustained long-term by the environment without causing undue strain on it.
____: a change in the word cimate, in partiaular associated with green house gases.
____: the study of human population growth and structure, particularly in association with rates of birth, death and migration. The demographic profile of a country is "a snapshot of a population" at a given time.
____: a theory about population change based on looking at birth and death rates, which reflect different stages in a natons transition from pre-industral to post-industrial society.
____: ethnic groups from a particular county who are living outside of their original homeland or motherand
_____: growth that follows an exponential curve. Species that don't regulate their own numbers typically increase exponentaly until they reach or surpass the limits of their ecosystem.
Exponential population growth
____: this refers to the number of children that a woman is considered to biologically be able to give birth to.
_____: this is the rate of births in a given populaton.
_____: those gases associated with a change in climate, including methane, carbon dioxide and nitrous oxide (and also water vapour). These gases contribute to the greenhouse effect as they absorb and emit infrared radiation while letting in sunlight, thereby creating a warmer environment.
____: a measure for how long a person can be expected on average to live.
_____: migration refers to the movement of people from one country to another. Immigration refers to people coming into a new country.
Migration and Immigration
_____: Mortality refers to the rate of deaths in a population, while morbidity is the rate of disease and medical conditions that lead to death in a given population.
Mortality and Morbidity
____: this is the number of births which would need to occur to keep a population stable - or the same size.
_____: Born 1766 and died 1834. Malthus wrote an Essay on the Principle of Population in 1798, in which he argued that the human population would get out of hand if left unchecked. Malthus proposed that family size needed regulation or else famine would become epidemic. Being a religious man, Malthus believed that famine and poverty as natural outcomes of not keeping ones population in check were God's way of waming humans to not be lazy. Sexual restraint was encouraged by Malthus. All in all, Malthus was one of the first individuals noted to have drawn a connection between population growth and resource strain.