TY - BOOK AU - Mackean,D.G. TI - Human life SN - 0719545005 AV - QH320.G7 PY - 1988/// CY - London PB - Murray KW - Biology KW - Study and teaching (Secondary) KW - England KW - General Certificate of Secondary Education KW - Secondary schools KW - Curriculum subjects, Biology KW - G.C.S.E KW - examinations N1 - For G.C.S.E; Includes index ER -