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Flashcards

Living World

Jade Potter-Goddard Geography GCSE Inglês 50 flashcards

Flashcards do conjunto (50)

  1. 1Define Ecosystem.A unit made up of living things and their non-living environment.
  2. 2Define ConsumersAnimals that feed on each other or plants.
  3. 3Define producers.Plants etc. that make their own food and are eaten by other animals.
  4. 4Describe the vegetation in a temperate deciduous forest. (3)- Trees lose leaves in winter. (When light level and temperature decreases.)
    - Grows in layers.
    - Plants are adapted to climate and soil. E.g. longer roots to reach deeper soil.
  5. 5Describe the soil in a TDC. (3)- Brown Earth. (Reddish - brown colour).
    - Leaves rot and fertilize soil.
    - Minerals are leached through the soil by rain water.
  6. 6Describe the climate in a TDC. (4)- Not extreme. (Warm summers, cool winters.)
    - Annual temp range is low.
    - Precipitation can occur throughout the year.
    - Long growing season.
  7. 7Why do the trees lose their leaves in winter?There's not enough light which means that no energy can be produced.
  8. 8The case study for a temperature deciduous forest?Epping Forest - Between East London and Essex.
  9. 9What is Epping Forest used for? (3)1. Habitats for wildlife.
    2. Resources like firewood and timber for buildings.
    3. Recreational activities such as cycling, waling etc.
  10. 10How is Epping Forest being sustainably managed? (3)Grazing
    Pollarding
    Protection (SCA & SSSI).
  11. 11Why is grazing sustainable?It means the plants and grass will live longer as it is kept shorter which means it can be used in the future.
  12. 12Why is pollarding sustainable?Branches being cut off extends the life of the trees because it makes them grow quicker and stops them from toppling over. This means the wood can still be used in the future and no habitats are lost.
  13. 13Why is protection sustainable?Certain businesses aren't allowed to build on certain areas which prevents habitats being lost. SSSI means that the area is being used whilst protecting it for the future.
  14. 14Where are TDF usually found?Mainly eastern Europe & eastern parts of North America and Asia.
  15. 15Describe the climate in a hot desert. (3)- Big daily climate range.
    - Very dry. Less than 250mm per year. Very heavy downpour when it does come.
    - 2 seasons, winter and summer. Winter still warm but a bit cooler than summer.
  16. 16Describe the soil in a hot desert. (4)- Rocky, sandy and grey.
    - Thin and has crust due to infrequent heavy rainfall.
    - Evaporation causes water to be drawn through the soil leaving deposited salts near the surface.
    - Can soak up water quickly.
  17. 17Describe the vegetation in a hot desert. (4)- Cacti have long roots to store water and spikes to protect the moisture stored inside them.
    - They germinate quickly when it rains.
    - Pleated stems so that it can store more water.
    - Tiny & waxing leaves help absorb water and reduce loss.
  18. 18Where are hot deserts located?Mainly in the northern hemisphere however small areas in the southern hemisphere.
  19. 19Case study of an LEDC hot desert.Sahara, Africa.
  20. 20Threats to an LEDC hot desert. (9)- Global Warming
    - High Temp
    - Deforestation
    - Irrigation
    - Gold Mining
    - Nuclear Waste.
    - Oil & Gas.
    - Animals grazing.
    - Off-Road Vehicles.
  21. 21Why do we need to move to desert areas?Because the population is increasing.
  22. 22Describe the Toshka Project.Drip irrigation from man-made canals with water from the Nile so that they can grow their own crops.
  23. 23Positives of the Toshka project. (3)- Gives jobs.
    - They can build towns by the canals.
    - Less money spent in food imports.
  24. 24Negatives of Toshka Project.- Causes conflict over water.
    - Irrigation isn't easy to manage.
    - Water evaporates from canals.
    - Very expensive.
    - Workers have to work away from home.
  25. 25Case Study of MEDC hot desert.The Sonoran Desert, Arizona.
  26. 26Describe the Central Arizona Project.Man Made canals transport the water from the Colorado and Salt River to towns and cities so that people can live there.
  27. 27What makes The Heritage Proposal sustainable?Different people are working together to protect the land whilst all being able to use it at the same time.
  28. 28Where are tropical rainforests located?Close to the equator with large areas in South America and South East Asia.
  29. 29What do rainforests look like? (3)- Lots and lots of greenery.
    - Tribal people live there and live off the plants and creatures.
    - Dense vegetation.
  30. 30What is the climate like in a tropical rainforest? (3)- Average daily temp is around 28 degrees.
    - Sticky atmosphere (hot and humid).
    - No real seasons. Everyday is the same; starts hot and dry and ends with storms and heavy rain.
  31. 31Describe the soil of a tropical rainforest. (4)- Red and iron rich.
    - Thick layer of leaves etc. but only a thin fertile layer because the leaves rot quickly in the humidity.
    - Not very fertile.
    - Nutrients are quickly washed out of the soil from heavy rain.
  32. 32Case Study of a Tropical Rainforest.The Amazon Rainforest.
  33. 33Threats to the amazon rainforest. (7)- Cattle ranching.
    - Roads are being built for every new industry.
    - Loggers damage the area when they remove trees.
    - New settlements.
    - Sold to industries.
    - Dams cause mass flooding.
    - Gold mining.
  34. 34Positives of the threats. (4)- New settlements means less cramped conditions.
    - New jobs for local people.
    - Products from gold mining etc. can be sold for money.
    - Electricity is cheaper and more accessible.
  35. 35Negatives of the threats. (2)- Sound pollution from industries.
    - More land/wood is needed for each new settlement.
  36. 36What are the four layers of a tropical rainforest?Emergents, Upper canopy, lower canopy and forest floor.
  37. 37Why do some leaves have drip tips and waxy surfaces?So that water will fall onto the plants below.
  38. 38What are buttress roots?Deep roots for collecting water.
  39. 39How do the vines grow and why?They grow around and up trees. to reach the sun.
  40. 40Name the sustainable management of a tropical rainforest. (4)Slash and burn agriculture.
    Agroforestry.
    Sustainable logging.
    Afforestation.
  41. 41Why is it important to manage areas sustainably?So that the supplies can be used in the future and so that we don't use species etc.
  42. 42Describe slash and burn.Clearing and burning an area in order to use the ashes as a fertilizer to grow crops.
  43. 43Describe agroforestry.Growing trees and crops at the same time. Takes advantage of the shelter from upper canopies and prevents soil erosion, crops benefit from nutrients from dead organic matter.
  44. 44Describe afforestation.If trees are cut down, they are replaced to maintain the canopy.
  45. 45What are abiotic factors?Non living factors.
  46. 46What are tropical areas?Regions which are close to or on the tropics of Cancer or Capricorn.
  47. 47Describe pressure belts.High - Ascending air, dry.
    Low - Opposite.
  48. 48What Is endemic?Nature/natural area.
  49. 49What's a trophic?A position in the food chain.
  50. 50What is over-cultivation?Excessive use of farmland.

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  • Criado por maya velasquez · 5 fev 2016
  • Copiado por Andrea Leyden · 5 fev 2016
  • Copiado por Jade Potter-Goddard · 5 fev 2016
  • Copiado por Jade Potter-Goddard · 5 fev 2016
  • Copiado por Jade Potter-Goddard · 5 fev 2016
  • Copiado por Jade Potter-Goddard · 5 fev 2016
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