Provides an engaging and easy to use book with an innovative and interactive media program. It achieves a unique balance in emphasizing concepts without sacrificing scientific accuracy. The new MediaTutor, found at the end of each chapter, integrates the book and media by providing a brief description of the CD or WEB activity and the time requirement for completion. Earth Watch/Health Watch essays cover biodiversity, ozone depletion/prenatal diagnosis, and sexually transmitted diseases. Major topics include The Life Of A Cell, Patterns Of Inheritance, Evolution, Plant Anatomy And Physiology; Animal Anatomy And Physiology; Ecology.