M2 topic 1 part 2 : global challenges Flashcards
what factors influence growth in human numbers (6)
level of medical science nutrition levels public health access mortality rate life expectancy education levels
what is the percentage of the world population that are in developed countries
16.90%
how much of the world population increase do developed countries account for
1.5%
which continents have the highest and lowest birth rates
Highest: Africa
Lowest: Europe
what is the relation ship between birth rates and economic development
the more economically developed a country is the lower the birth rates
what is the equation for the absolute increase in population
new - old = absolute increase
what is the equation for the relative change in population
absolute increase/old x 100
what is the equation for the rate of change in population
total population/number of years
what is an emigrant
someone who leaves the native country and settles abroad
what is and immigrant
someone who is forced to relocate to another country or area
what types of internal migration are there
sea change and tree change
what is sea change
moving to the coast
what is tree change
moving further inland
what factors would cause people to have to involuntary migrate (5)
war views on religion natural disasters drought famine
what factors would cause people to voluntary migrate (4)
education
climate
employment
marriage
