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Biology
OCR GCSE Biology B
Ecosystems and Photosynthesis
OCR GCSE Biology B · J257 · Chapter B3
Ecosystems and Photosynthesis
All papers · 34 notes
B3.1
Photosynthesis
Process of Photosynthesis
Chloroplasts
Enzymes
Factors Affecting Rate
Inverse Square Law
Limiting Factors
Rate Calculations and Graphs
B3.2
Plant Transport
Transport of Substances
Diffusion, Osmosis and Active Transport
Cell Membranes
Root Hair Cells
Xylem and Phloem
Transpiration and Translocation
3 notes
Transpiration and Translocation Processes
Stomata: Structure, Function and Microscopy
Investigating Transpiration: The Potometer
Environmental Factors
Calculations and Graphs (Water Uptake)
B3.3
Interdependence in Ecosystems
Biological Molecules
Producers
Transport in Organisms
Ecosystem Organisation
Interdependence and Competition
Trophic Levels
Pyramids of Biomass
Efficiency of Transfers
Cycling of Substances
Carbon and Water Cycles
Role of Microorganisms
Percentage Mass Calculations
Decomposition Factors
Rate of Decay
B3.4
Population Ecology
Abiotic and Biotic Factors
Field Investigations
Data Analysis (Populations)
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