population definitions 0.0 / 5 ? GeographyPopulation changeGCSEAQA Created by: oliviakmartinCreated on: 11-03-17 15:19 Demography the study of population 1 of 10 exponetial growth the rapid growth of the world's popualtion. A pattern where growth rate constantly increases 2 of 10 population distribution the way in which people are spread out across the earth's surface 3 of 10 population density the number of people living in an area, usually a square km 4 of 10 choropleth map these maps are usually used to show population density 5 of 10 birth rate the number of live births per 1000 people per year 6 of 10 death rate the number of deaths per 1000 people per year 7 of 10 natural increase this gives the growth rate of the population difference between birth and death rate. BR-DR=NI 8 of 10 Natural decrease this when the population is decreasing. the death rate exceeds the birth rate. BR - DR = the answer will be negative 9 of 10 natural change this is the difference between BR and DR expressed as a percentage. so therefore it must be divide by 10. BR - DR divide by 10 10 of 10
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