Ryan A2 Biology 0.0 / 5 ? BiologyEcology and biodiversityA2/A-levelOCR Created by: m16654Created on: 13-09-13 12:00 Ecosystem All living organisms and all the non-living components in a specific habitat, and their interactions 1 of 12 Habitat the place where organisms live 2 of 12 population The proportion of a species ina one habitat 3 of 12 aibiotic factors The non-living factors in an habitat E.G weather . temprature 4 of 12 biotic factors the living factors that effects a ecosystem E.G predators 5 of 12 Producers An organisim that produces organic minerals from sun light energy E.G plants 6 of 12 Consumer An organisim that eats another organisim E.G anmials and birds 7 of 12 Decomposer An organism that breaks down dead or undigested material E.G bacteria , fungi 8 of 12 trophic leval A stage in the food chain ocupied by a specific species of organisms 9 of 12 3 stage food chains sun light > producer>primary consumer>secondary consumer >tertiary consumer 10 of 12 Nirtogen fixation is nirogen being absorbed by a bacteria called rhizobium and processed into amonium so it can be absorbed by plants 11 of 12 Ammonification is when nitroge compounds from dead organismis are turned itno amonium compounds by decomposers 12 of 12
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