Saturday, September 21, 2019

Factors Affecting Health Essay Example for Free

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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