Section 1 Chapter 1: Water Exercises Exam-style questions Chapter 2: Earth processes Exercises Exam-style questions Chapter 3: Interactions in marine ecosystems Exercises Exam-style questions Chapter 4: Classification and biodiversity Exercises Exam-style questions Chapter 5: Examples of marine ecosystems Exercises Exam-style questions Chapter 6: Physiology of marine organisms Exercises Exam-style questions Chapter 7: Energy Exercises Exam-style questions Chapter 8: Fisheries for the future Exercises Exam-style questions Chapter 9: Human impacts on marine ecosystems Exercises Exam-style questions Section 2 Chapter 1: Water Practical 1.1 Properties of water Practical 1.2 pH Practical 1.3 Salinity and temperature gradients Chapter 2: Earth processes Practical 2.1 Investigating the effect of temperature on the solubility of a salt Practical 2.2 Modelling weathering and erosion Practical 2.3 Interpreting tide tables Chapter 3: Interactions in marine ecosystems Practical 3.1 Pyramids of numbers and biomass Practical 3.2 Planning an investigation to estimate the productivity of an aquatic producer Practical 3.3 Investigating the carbon cycle Chapter 4: Classification and biodiversity Practical 4.1 Constructing a dichotomous key Practical 4.2 Using quadrats to estimate abundance of organisms Practical 4.3 Estimating a population size using the mark–release–recapture method Chapter 5: Examples of marine ecosystems Practical 5.1 Drawing an animal found on a sandy shore Practical 5.2 Planning an investigation into the effect of light intensity on coral growth Practical 5.3 Distribution of organisms on a rocky shore Chapter 6: Physiology of marine organisms Practical 6.1 Observing, drawing and comparing the structures of respiratory systems Practical 6.2 Investigating the effect of salinity on brine shrimp Practical 6.3 The effect of salt solution on eggs Chapter 7: Energy Practical 7.1 Identification and separation of photosynthetic pigments using paper chromatography Practical 7.2 Data analysis into limiting factors for photosynthesis Practical 7.3 Gas exchange in an aquatic producer Chapter 8: Fisheries for the future Practical 8.1 Determining of size of reproductive maturity to inform minimum catch size Practical 8.2 Effect of temperature on growth of whelk Practical 8.3 Planning an investigation into the effect of feeding rates on the growth rates of salmon Chapter 9: Human impacts on marine ecosystems Practical 9.1 Planning an investigation into marine plastics pollution Practical 9.2 Modelling the greenhouse effect Practical 9.3 Monitoring invasive species