Ecosystems
Food Chains
Food Webs
Energy Loss in Food Chains
Pyramids of Biomass (S)
Calculating Efficiency of Energy Transfers (S)
Abiotic Factors
Biotic Factors
Predator-Prey Relationships
Quadrats: Calculating Estimated Population Size Experiment
Quadrats: Calculating Percentage Cover
Quadrats: Using Transects
Mutualism & Parasitism
Legumes & Nitrogen Fixing Bacteria
Eutrophication
Pollution Indicators: Lichens & Invertebrates (H) & (S)
Fish Farming
Deforestation & Conservation
Food Security (S)
Water Cycle
Carbon Cycle
Nitrogen Cycle
Factors Effecting Rate of Decay (S)
Preserving Food From Decay (S)
Calculating Rates of Decay (S)
Making Compost (S)
Ecosystems & Interdependance (20)
Material Cycles & Biodiversity (20)
Decay, Energy Transfers & Biodiversity (S) (11)
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