2.4 Study Guide Flashcards
How many statges are there in the demographic transition?
There are a total of 3 stages.
What are the factors that affect population growth rate?
They are:
-age structure
-generation time
-sex ratio
What is definition life expectancy at birth?
It is the average number of years a newborn infant can expect to live under current martality rate.
What is birth rate?
It is birth and death per 1000 total poppualtion.
What is the last step of the demographic transtion?
It is that the birth rate falls, so the population gwoth starts to slow down.
How is the population growth rate affected with a with developed country?
There are almost no changes but sometimes the population in the developed country decrease.
How an age structure diagram can be used to predict population growth?
It can show the age range in which females reproduce and are using contraceptives.
