About the Author

Robert D. Griffin, M.A., has been teaching biology for 27 years. For the last 19 years he has been on the faculty of City College of San Francisco, where he has taught biology courses ranging from anatomy to zoology. Previously he had extensive experience teaching in junior and senior high schools and in special science programs for gifted elementary school students. His principal academic interest is in innovative methods of teaching biological concepts and reasoning to both liberal arts students and biology majors.