Castro−Huber: Marine Biology, Fourth Edition Front Matter Online Learning Center © The McGraw−Hill Companies, 2003 online learning c e n t e r www.mhhe.com/marinebiology For every chapter in this textbook, a variety of useful study tools are available on the Marine Biology Online Learning Center. Students will discover chapter-sorted Marine Biology on the Net links to web pages of related content for further reading and research. Key terms from each chapter can be studied interactively as Key Terms Flashcards. The Do-It-Yourself Summary helps students review material learned in each chapter, and the Quiz Yourself allows students to test themselves on important concepts learned in each chapter. See It In Motion underwater video clips display interesting habitats and behaviors for many animals in the ocean. For Further Reading sections provide links to online articles for further study and research. Careers in Marine Biology offers links to interesting careers in the field of marine biology, and Marine Biology Case Studies detail stories of endangered species, marine habitats, and more. Instructors will find that the Online Learning Center hosts the Instructor’s Manual, plus eight Field and Laboratory Exercises that may be printed and used in the laboratory section for this course. Sample Syllabi and a List of Transparencies are also available within the Instructor Resources section of the Online Learning Center. The Marine Biology Online Learning Center can be accessed by visiting www.mhhe.com/ marinebiology (just click on this book’s cover). xii