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• Introduction; 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; Glossary; Index