population Flashcards
Death Rate
the ratio of deaths to the population per thousand per year
Birth rate
the number of births to the population per thousand per year
life expectancy
the average period that a person will live
exponential growth
when the population is getting bigger than the size
infant mortality
deaths of children under the age of 1
baby boom
a rapid increase in birth rate
population density
how crowded an area is . population/area
population growth rate
the increase of population
what are three world locations with high population densities
west america, River Nile, east China
what are three world locations with low population densities
Sahara desert , Amazon Rainforest , Greenlamd
how does climate influence population density
Positive: Mild enough rain Negative: Too hot, Too cold Too dry
How does relief influence population density
Positive : flat or gently sloping land Negative: Mountains or steep land
how does access influence population density
Positive : coastal area , good transport Negative : inland no communications
How does vegetation influence population density
Positive: open grassland Negative: Dense forest , desert
how does economy influence population density
Positive: Plenty of industry and jobs Negative : Lack of industry and jobs