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DSST Env.Sci. Chp 13

vocab. for DSST Env.Sci. from Environmental Science by Karen Arms

age-structure histogram illustration that depicts in comparative ways the age and sex of a population
agricultural revolution change from a hunting and gathering society to an agricultural society that began about 10,000 years ago
biotic potential rate at which a population would grow if every new individual survived to adulthood and reproduced at maximum capacity; the characteristic maximum growth rate for a population
carrying capacity the maximum number of individuals an environment can support for a long period of time
demographer one who is involved with the statistical science dealing with the distribution, density, and vital statistics of human populations
demographic transition theory that states that the economic and social progress of the industrial revolution affects a population in three stages
emigration act of organisms leaving one area to locate in another
environmental refugees people driven from their homes by severe environmental damage
environmental resistance the combined effect of all the factors that limit population growth
family planning practice of people who take measures to ensure that they will have the size of family they want
hunter-gatherers people who obtain their food by hunting, fishing, and gathering wild plant foods
immigration act of organisms moving into one area from another
J-curve curved line showing exponential growth
limiting resources those resources that limit the growth of a certain population
overpopulation condition in which an area cannot support its human population with its available resources, or in which the population, because of growth, suffers problems that affect its general welfare
S-curve curved line that shows a population reaching its carrying capacity and then falling below it
Created by: pinetreeacademy on 2012-05-03

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