Battle for the Biosphere End of unit test Battle for the Biosphere
1A One mark for each correct point made. Near the Equator In between the Tropics In Central Africa, South America and Asia. Ai A large scale ecosystem or area of similar plants, animals and climate. Aii Climate is not right Not warm enough Not enough rainfall
Bi One mark for each correct product Bi One mark for each correct product. One mark for describing what the product is used for (why it is valuable). Timber Iron Ore Medicines Bii C D B A
Biii Describes one service only 1-2 marks for mentioning a service and a human activity that could affect it. 3-4 marks for describing the service and clearly explaining how humans will change that service. Possible services: Water cycle Atmosphere filtering of carbon dioxide Tourism Nutrient Cycle
Ci Brazil Cii UK Ciii It has decreased (1) Use data (1) D1-2 marks for stating one or two ideas and how they will benefit the forest. 3-4 Marks detailed explanation of how the idea benefits either the environment or the people. Could include a case study such as Santa Lucia. Ideas: Ecotourism National Parks/Reserves Selective logging