Chapter 1 The Ocean as a Habitat Chapter 2 Patterns of Associations Chapter 3 Phytoplankton Chapter 4 Marine Plants Chapter 5 Marine Protozoans and Invertebrates Chapter 6 Marine Vertebrates Chapter 7 Estuaries Chapter 8 Temperate Coastal Seas Chapter 9 Tropical and Subtropical Shallow Seas Chapter 10 Open Oceans Chapter 11 The Deep-Sea Floor Chapter 12 Marine Birds and Mammals in Polar Seas Chapter 13 Harvesting Living Marine Resources