2.3 Bio flash cards
What are the important age bands in age structure graphs? Why are they important and what do they affect?
The important bands are 15-44 and 0-14 which are the reproductive ages and the new generation which will impact future growth.
What does a balanced age structure graph look like?
A pyramid.
What are the 4 stages of industrialization?
Pre industrialization, early industry, mature industry. and Post industrialization
What happens during pre industrialization
Slow growth due to high birth and death rates.
What happens to the pop in early industry
high pop growth due to falling death rates and high birth rates
what happens to the pop in mature industry
Pop growth slows down due to falling birth rates and low death rates
What is roughly the world Human k value
10 billion
Where is most of the world population growth coming from?
Developing countries, they are in the middle of early and mature industry phases and growth is very quick.
what happens to the pop in Post industrialization
Slow increase due to low birth and death rates
What are positive affects of industrialization
Improved literacy rates, infant mortality, quality and longevity of life.
What are negative affects of industrialization
Environmental impact and Co2 emissions.
What stage of industrialization is the us in
Post industrialization
