Environment and ecosystems 0.0 / 5 ? BiologyEcology and Environmental ScienceIGCSEEdexcel Created by: Daisy WalkerCreated on: 30-03-13 17:16 Turns nitrogen into nitrates nitrogen fixing bacteria 1 of 10 Turns ammonia into nitrites and then nitrates nitrifying bacteria 2 of 10 Turns nitrates into nitrogen denitrifying bacteria 3 of 10 Growing only one type of crop on same plot of land monoculture 4 of 10 Build up of pesticides in food chains bioaccumulation 5 of 10 Number of a particular species in the area population 6 of 10 Populations of all the species in the area community 7 of 10 Places where specific organisms live habitats 8 of 10 A self-supporting system of organisms interacting with each other and their environment ecosystem 9 of 10 When fertilisers enter rivers etc eutrophication 10 of 10
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