Learning about. Chapter 2 Rainforests. 1 Describe the location of the world s tropical rainforests using latitude.

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Olivia Harper
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1 53 1 Desribe the loation of the world s tropial rainforests using latitude. 2 What perentage of the Earth s surfae is overed by tropial rainforests? 3 Refer to [2.2]: a Whih area of the world has the greatest extent of tropial rainforests? b How many hetares of tropial rainforest exist in this area? How many hetares of tropial rainforest are there in the other two areas? d Calulate the total global hetares of tropial rainforest. 5 Complete the table below. [2.8] Layers of the tropial rainforest Layers Name Height Plants Animals Layer 1 Layer 2 Layer 3 Layer 4 6 Explain what eah of the following are and how they survive in the rainforest. a Liana b Epiphyte Strangler fig d Ferns and mosses e Saprophyte

7 Explain whih trees reeive diret sunlight, wind and rain. Why? 8 Desribe the role played by the rainforest anopy. 9 Explain why the forest floor is dark. What grows there?

2 7 Explain whih trees reeive diret sunlight, wind and rain. Why? 8 Desribe the role played by the rainforest anopy. 9 Explain why the forest floor is dark. What grows there? 59 2 Desribe the limate of the tropial rainforest. 3 Explain the proess of onvetional rain. 4 Desribe how soil is formed in the rainforest. 5 With the aid of a diagram explain why rainforest soils are infertile one the trees are removed.

3 6 Desribe the proess of nutrient reyling. Why is it so important for the rainforest environment? 7 List the animals found: a on the forest floor b in the trees. 8 Explain how eah of the following have adapted to the rainforest environment. a Roots b Leaves

4 Animals 9 Explain the meaning of the term eosystem. 10 Draw a flow hart to show the links and interdependene of eah part of the rainforest eosystem. 11 Explain what eah of the following are and give some examples. a Primary onsumers b Seondary onsumers 12 If a setion of rainforest trees is ut down, desribe the effet this would have on: a epiphytes and lianas b sunlight, rainfall and humidity on the forest floor.

5 Learning to 59 1 Study the limati graphs of Jakarta [2.12] and Ho Chi Minh City [2.13]. Complete the table below by inserting eah ity s name in the left olumn and a olumn heading for eah of the following features: a latitude and longitude b three wettest months average temperature of the hottest month d average temperature of the oolest month e average annual temperature range. 2 Explain the reason for the wettest months being at different times of year for eah of these plaes. 3 What do you notie about the temperature range for both plaes? Explain the reason for this situation. 4 Use the limati data for Bangkok in table [2.14] to onstrut a limati graph.

6 61 1 Indiate whether the following statements are true or false. a More than 50 per ent of the Earth s living speies inhabit tropial rainforests. b Rainforests provide Indigenous people with plants for mediine. Rainforests have given us hemials to treat skin diseases. d Rainforests absorb oxygen and provide us with arbon. e Without rainforests the greenhouse effet would inrease further. 2 Define Indigenous and then explain why the rainforest is so important to Indigenous people. 3 Write a paragraph explaining why rainforests are important. Make sure you use examples Complete the table below. [2.38] Main auses of rainforest destrution and their impats Cause Impat Logging Agriulture Cattle grazing Population growth

7 Poverty Population movements Mining Dams Fire 2 Refer to [2.25] Desribe the two different methods of harvesting timber in a rainforest. Desribe the effet eah one has on the rainforest habitat. Whih type do you think is the most environmentally sustainable? Explain. 3 Desribe the proess of shifting ultivation. 4 List all of the impats of deforestation. 5 Examine [2.34] and omplete the following: a Define the terms runoff and infiltration.

8 b What has happened to the rate of infiltration after the rainforest has been leared? Why? What has happened to the rate of runoff after the rainforest has been leared? Why? d What is erosion? e Explain what has aused the erosion shown in this diagram. 6 Refer to [2.35]. Explain how the removal of rainforests ontributes to global warming. 7 By referring to the setion on deforestation on pages 62 6 and the ative itizens having their say in [2.36], opy and omplete the following sentenes. a Environmentalists want to protet rainforests as they are the habitats for many rare and. b use the rainforest for rereation. Governments have proteted rainforests by reating. d people have lived in the rainforests for of years. e A type of farming where areas of rainforest are leared and later allowed to regenerate is alled. f Rainforests provide many people in poor ountries with for and. g Governments allow the rainforests to be ut down to make to build and. h Loggers argue that they use methods.

9 71 1 Use the itinerary in [2.41] to answer the following: a Where does the tour begin? b Who organised the tour? Where do tourists board the klotoks? d List the animals seen by the tourists as they travel up the Sekonyer River. 2 Refer to the itinerary [2.41] and the postard [2.43]. List all the benefits of tourists visiting Tanjung Puting National Park. Do you think there would be any negative affets? Explain. 1 Desribe how loal people use the rainforests in the Solomon Islands Explain why foreign ompanies ome to the Solomon Islands to log. 3 Desribe the problems that have been reated by logging in the Solomon Islands for the people and the environment. 4 Disuss the reent efforts to better manage the rainforests of the Solomon Islands.

10 5 Explain why eotimber is onsidered an appropriate way to use the rainforest environment.

CLIMATE GRAPHS AND INTERPRETING CLIMATE GRAPHS

Y10 REVISION MATERIAL ECOSYSTEMS AND URBAN FIELDWORK CLIMATE GRAPHS AND INTERPRETING CLIMATE GRAPHS Climate graphs are a combination of a bar graph and a line graph. Temperature is shown on a line graph,