Population and Environment Inroduction

Question 1

define population

Answer 1

the amount of people living in a defined area

Question 2

define pop density

Answer 2

the amount of people living in an area per unit e.g. per km2

Question 3

define pop distribution

Answer 3

the spread of people over a certain area

Question 4

what are the physical factors that affect pop?

Answer 4

climate
soil
natural resources

Question 5

what are the food development process factors that affect population?

Answer 5

the Neolithic revolution and the green revolution

Question 6

what is the Neolithic revolution?

Answer 6

12,000 years ago where there was a shift from mobile
hunter-gatherer populations to agricultural communities.
Birth rates and fertility rates rose as a result. Agriculture could feed denser communities and therefore had a more stable food supply.

Question 7

what is the Green revolution?

Answer 7

using technology and more efficient farming practices in agriculture to maximise yields in the 50s and 60s. Overall it created more food, especially in developing countries, meaning a larger population could be sustained. Estimated 1 billion people fed from it

Question 8

what are the societal development process factors that affect population?

Answer 8

industrial revolution-start of the Industrial Revolution, the population grew by 57%, and 100 years on the population grew by 100%.

Question 9

what are the global population numbers?

Answer 9

-global pop stayed under1 billion until 1804 and it only over 100 years for it to reach 2 billion.
-estimated to reach 9 billion by 2050

Question 10

what percentage of the world lives in urban areas?

Answer 10

55%

Question 11

what are some examples of sparsely population areas?

Answer 11

Sahara, central Australia and Canada