Deforestation and Biofuels 0.0 / 5 ? BiologyDeforestation and bifuelsGCSEEdexcel Created by: yaxter21Created on: 12-10-16 16:45 What is biodiversity Variety of living organisms in an eco system 1 of 11 What are peat bogs Peat is formed in waterlogged, acidic fens and bogs over thousands of years by the growth of mosses and other plants 2 of 11 3 uses of peat bogs 1.store carbon. 2. can be burned as fuel. 3. improves soil structure. 3 of 11 What is eutrophication? Polluting rivers 4 of 11 Why are cattle and rice farms a bad thing? They both produce methane 5 of 11 What is carbon sequestration? Removes co2 from the air 6 of 11 By cutting trees down there is a decrease in ....... therefore more ........... is made. 1. photosynthesise 2. carbon dioxide. 7 of 11 Suggest 2 ways in which deforestation can affect biodiversity. 1. destroying habitats 2. less food. 8 of 11 what 6 things will happen if we continue to increase co2 and methane levels? 1. Ice caps melt. 2. Natural disasters. 3. floods/sea levels increase. 4. extinction. 5. forest fires. 6. droughts. 9 of 11 Why are bifuels more environmentally friendly? They are carbon neutral 10 of 11 Bioethanol is extracted by .......... distilation 11 of 11
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