Wednesday, January 15, 2020

Factors Affecting Health Essay

Define the following key terms: ï‚ · ï‚ · ï‚ · Ageing population Youthful population Dependency Ratio www.geobytesgcse.wordpress.com Youthful Population – a population with a very high proportion of young people under the age of 15 Fold along here Dependency Ratio – the ratio between economically and noneconomically active population – normally expressed as a % www.geobytesgcse.wordpress.com Yr 10 – Population St Ivo School Geography Department – GCSE REVISION What is meant by the term ‘dependent population’? Yr 10 – Population www.geobytesgcse.wordpress.com Fold along here The people who are not working and are therefore dependent on the economically active population (ages 0-14 and 65+) www.geobytesgcse.wordpress.com St Ivo School Geography Department – GCSE REVISION Define the term Infant Mortality. The number of infants dying before the age of 1 per 1000 live births per year Fold along here Yr 10 – Population www.geobytesgcse.wordpress.com www.geobytesgcse.wordpress.com St Ivo School Geography Department – GCSE REVISION Population Distribution – how a population is spread out over an area Population Density – the number of people living in a given area 2 (people per km ) Fold along here Define the following key terms: ï‚ · ï‚ · ï‚ · Population Distribution Population Density Population Explosion www.geobytesgcse.wordpress.com Population Explosion – a very rapid increase in population www.geobytesgcse.wordpress.com Yr 10 – Population St Ivo School Geography Department – GCSE REVISION What does DTM stand for and what is it used to show? DTM stands for The Demographic Transition Model – this is a model showing population change over time in relation to changing birth and death rates and the consequent change in overall population Fold along here Yr 10 – Population www.geobytesgcse.wordpress.com www.geobytesgcse.wordpress.com St Ivo School Geography Department – GCSE REVISION Natural Decrease – the fall in population caused by deaths exceeding births. Natural Increase – the rise in population caused by births exceeding deaths Fold along here Define the following key terms: ï‚ · ï‚ · ï‚ · Natural Decrease Natural Increase Depopulation www.geobytesgcse.wordpress.com Depopulation – a decline in the numbers of people living in an area due to out-migration or changes in birth and death rates. www.geobytesgcse.wordpress.com Yr 10 – Population St Ivo School Geography Department – GCSE REVISION Population Growth Rate – the increase in population over a year – normally expressed as a % Population Structure – the age and sex composition of a population Fold along here Define the following key terms: ï‚ · ï‚ · ï‚ · Population Growth Rate Population Structure Population Pyramids www.geobytesgcse.wordpress.com Population Pyramid – a diagram used to show the age and sex of a population (also known as age-sex pyramids) www.geobytesgcse.wordpress.com Yr 10 – Population St Ivo School Geography Department – GCSE REVISION Name the following case studies: ï‚ · ï‚ · ï‚ · A case study to show the consequences of an ageing population A case study to show the consequences of a youthful population A comparison of population structures between a LIC, MIC and HIC www.geobytesgcse.wordpress.com A case study to show the consequences of an ageing population – UK – East Devon (Torbay) A case study to show the consequences of a youthful population – The Gambia (Africa) Fold along here A comparison of population structures between a LIC, MIC and HIC – Philippines, Brazil & Germany www.geobytesgcse.wordpress.com Yr 10 – Population St Ivo School Geography Department – GCSE REVISION Name the following case studies: ï‚ · ï‚ · ï‚ · ï‚ · A case study to show how a government has reduced the birth rate An example of a densely populated area of the UK A case study to show how a government has set out to increase the birth rate (pro-natalist policy) An example of a sparsely populated area of the UK www.geobytesgcse.wordpress.com ï‚ · ï‚ · ï‚ · Fold along here ï‚ · Yr 10 – Population A case study to show how a government has reduced the birth rate – China’s One Child Policy An example of a densely populated area in the UK – London and the South East A case study to show how a government has set out to increase the birth rate (pro-natalist policy) – Singapore’s â€Å"3 or more Policy† An example of a sparsely populated area of the UK – Scottish Highlands www.geobytesgcse.wordpress.com St Ivo School Geography Department – GCSE REVISION The world’s population is unevenly distributed Some areas have a high population density eg, Asia / 2 Europe (75+people/km ) Other areas of the world have a low population density 2 e.g. Canada/Greenland and Russia (

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