9.3 Population Demographic Flashcards
How many stages are in the Demographic transition graph
5
How do you calculate growth rate
BR-DR/1000 *100
What are the factors in affecting population growth rate
Sex rate, generation time, and age structure.
what are age structure graphs used for
to see how many individuals are in the same age group per male and female.
for sex rate how will the population go up
if there are more females
for generation time how will the population go down
if females start to reproduce at older ages
Will the population size go up or down if a there are not a lot of females at reproductive age
the population will go down
What is is a Demographic transition graph used for?
the model why rapid population growth is temporary.
in what stages is a developed country in
stage 3 or 4