547256
Descripción
Fichas por clairefindlay12, actualizado hace más de 1 año
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Creado por clairefindlay12
hace casi 11 años
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| Pregunta | Respuesta |
| Under what circumstances does natural increase happen to a population? | When the birth rate is higher than the death rate |
| Under what circumstances does natural decrease happen to a population? | When the death rate is higher than the birth rate |
| What happens to death rate in Stage 2 of the DTM? | It rapidly drops |
| What happens to the birth rate in Stage 3 of the DTM? | It rapidly decreases |
| Are LEDC's or MEDC's more likely to be in the early stages of the DTM? | LEDC's |
| What is the population structure of a country? | The breakdown of a population into gender and age groups |
| What do population pyramids show? | They show how many people are in a group broken down into gender and age |
| Give one reason why birth rate is high during Stage 1 of the DTM | No family planning |
| Describe how changes in agriculture affect the population growth rate | If a farm needs more workers, the family may choose to have more children to work on the farm |
| Give one reason why the birth rate falls rapidly during Stage 3 of the DTM | Education More family planning Women getting jobs so having children later |
| Briefly describe the population structure of a country in Stage 5 of the DTM | Ageing population with very few young people |
| Give two social impacts and two environmental impacts of overpopulation | Social: Overcrowding, faster spread of disease Environmental: over use of resources, air pollution |
| Give one economic impact of a youthful population | Not enough economic activities to give everyone a job |
| Give an example of a strategy a country could use to control overpopulation | China's One Child Policy |
| Describe what it means for a country to develop in a way that's sustainable | If a country changes it's policies which can be maintained for a long time |
| Describe a policy used to try to control overpopulation | China's One Child Policy |
| Give one piece of evidence that shows how effective this policy has been | Rate of population growth went from 1.9% to 0.7% |
| What is an ageing population? | An ageing population has more older than younger people |
| What causes an ageing population? | Decrease in birth rate and death rate |
| Give one economic impact and one social impact of an ageing population. | Economic - Strain on healthcare systems Social- Not enough workers to provide for elderly population |
| Describe one strategy to cope with an ageing population | Retirement age increasing |
| Name a country that has an ageing population and describe what caused it | UK, People living longer and less people being born |
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