people and the environment

Question 1

what is population distribution

Answer 1

the way people are spread across the landscape

Question 2

what is population density

Answer 2

number of people in one area measured in people per square km

Question 3

example of population densities

Answer 3

india - densely populated because of topical rainforest , oil producing country , good soil, high rice production

russia- sparsley populated
sub arctic
tundra

china- unevenly distributed , over 90% of china is in the east

Question 4

rising global population?

Answer 4

9 billion by 2050

since the 1960s the world population has doubled

most population growth has been in developing countries - life expectancy has increased and birth rates have decreased

child survival in poor areas is the only way to decrease the population

Question 5

what determines where people are

Answer 5

environmental conditions

Question 6

3 main aspect of the environment affecting population

Answer 6

climate
soils
resource distribution

Question 7

how does climate affect population

Answer 7

few people live in dry areas eg Sahara desert

moderate areas are highly populated - uk

tropical , hot areas usually have the highest populations because its easier to produce food

climate change affects population distribution because of rising sea levels - people are having to move inland or abandon there small islands

Question 8

how is soil affecting population

Answer 8

soil fertility determines the amount and type of food produced in that region

eg , Naples built near a volcano so the soil fertility is high

Question 9

resource distribution affects the population

Answer 9

population growth and distribution are linked to the availability of fresh water and other natural resources

lack of clean water can cause health problems

areas with natural occurring food and furl support a large population - rainforests

Question 10

topography affecting the population

Answer 10

the shape of the land determines peoples ability to create lasting settlements and access places and resources

eg, mountainous places have sparse population

Question 11

why is population growth between developed and less developed countries unequal

Answer 11

birth rates
death rates
infant mortality
health care
diet
work conditions

Question 12

what are the 2 examples of development process that have affected population size and distribution

Answer 12

neolithic revolution
development of people living in wear Asia and east china changing from hunting to farming and permanent settlements , population increased and food became more reliable

Industrial Revolution