00468pamaa2200169 4500 0000019110 20060413090000.0 0815108583 570 ALT 1996 QH308.2 ALT 1996 ALTERS Artpack to accompany biology : understanding life Sandra Alters. 2nd ed. St Louis: Mosby, 1996. xxxiv, 198p.: col.ill.; 29cm. Biology Biology : understanding life