1 The Science of Marine Biology

2 The Sea Floor

3 Chemical and Physical Features of Seawater and the World Ocean

2 Life in the Marine Environment

4 Some Basics of Biology

5 The Microbial World

6 Multicellular Primary Producers: Seaweeds and Plants

7 Marine Animals Without a Backbone

8 Marine Fishes

9 Marine Reptiles, Birds, and Mammals

3 Structure and Function of Marine Ecosystems

10 An Introduction to Ecology

11 Between the Tides

12 Estuaries: Where Rivers Meet the Sea

13 Life on the Continental Shelf

14 Coral Reefs

15 Life Near the Surface

16 The Ocean Depths

4 Humans and the Sea

17 Resources from the Sea

18 The Impact of Humans on the Marine Environment

19 The Oceans and Human Affairs

Appendix A Units of Measurement

Appendix B The World Ocean

Appendix C Major Coastal Communities of North America