Biology Paper 2 Ecology Competition and Interdependence Biotic and Abiotic Factors Adaptations Food Chains and Predator-Prey Cycles Sampling Organisms Required Practical 9: Sampling Organisms Mean, Median and Mode The Carbon Cycle The Water Cycle Decomposition (Triple) Required Practical 10: Decay (Triple) Environmental Change (Triple) Biodiversity Waste Management Land Use Global Warming Maintaining Biodiversity Trophic Levels (Triple) Pyramids of Biomass (Triple) Food Security (Triple) Modern Farming Methods (Triple) Sustainable Fisheries (Triple) Role of Biotechnology (Triple) Back Workbooks