The Tenth Edition of Morrissey and Sumich's classic text, Introduction to the Biology of Marine Life continues to enlighten and engage students on the many wonders of marine organisms and the remarkable environments in which they live. This updated edition includes coverage of recent breakthroughs in research and technology and maintains the accessible student-friendly style for which it is known. A Student Companion Website provides resources to expand the scope of the textbook and makes sure students have access to the most up-to-date information in marine biology. Students will benefit from a variety of study aids, including chapter outlines, an interactive glossary, animated flash cards, and review questions. Carefully chosen links to relevant Web sites enable students to explore specific topics in more detail.