TY - BOOK AU - Alters,Sandra TI - Biology : understanding life SN - 0815138466 U1 - 570 PY - 1996/// CY - St. Louis PB - Mosby KW - Biology KW - Chemistry; Cell structure; Human biology; Human genetics; Human reproduction; Human evolution; Organism diversity; Social behavior; Ecology; Biosphere N2 - Science General ER -