Details Title: AP environmental science Description: vocab 12 Total Flash Cards: 13 Created: 12/07/2008 18:11:35		New Users: To study from this flashcard set, or to create your own your own study flash cards, REGISTER HERE. Existing Users: CLICK HERE. Additional Environmental Studies Flashcards
Cards in this set: Term Population Change Definition is calculated by subtracting the number of ppl leaving(emigration/death) from the number of entering (immigration/birth) Term Crude Birth Rate Definition The number of live births per 1,000 ppl in a population any given year Term Crude Death Rate Definition The number of deaths per 1,000 ppl in a population any given year Term Immigration Definition migration of ppl into a country or area to take up permanent residence Term Emigration Definition migration of people out of a country to leave their previous residence Term Replacement Level fertility Definition number of children a couple must have to replace themselves Term Total fertility Rate Definition an estimate of the average number of children a woman will have during her childbearing years if between ages of 15 and she bears children at the same rate as woman did this year Term Demographic Transition Definition as countries become industrialized, first death rates and then birth rates decline Term Infant Mortality Rate Definition number of babies out of  every 1,000 born who die before their first birthday Term Life Expectancy Definition average number of years a newborn infant can be expected to live Term  Age Structure Diagram Definition the proportion of the population/gender at each age level Term Baby Boom Generation Definition following the great depression and WWII birth rates sky rocketed, 79 million ppl were added to the U.S. population Term Zero Population Growth (ZPG) Definition State in which the birth rate + immigration equals the death rate + emigration, so the population of a geographic area is no longer increasing