TY - BOOK AU - Raven,Peter H. AU - Johnson,George B. TI - Understanding biology SN - 0697250318 U1 - 574 21 PY - 1995/// CY - Dubuque, Iowa : PB - Brown KW - Biology N2 - Understanding Biology is a clear, comprehensive introductory text for your nonmajors or combined courses. It features an evolutionary approach as the unifying theme and a strong experimental focus. The third edition has the qualities needed in today's classrooms ER -