01357nam a2200301Ia 4500 000008032 MX-MdCICY 20260521090501.0 900125s1990 azua f p s001 0 eng d 0816510237 (alk. paper) CICY 613.2 J6 1990 Johns, Timothy, 1950- With bitter herbs they shall eat it : chemical ecology and the origins of human diet and medicine / Timothy Johns Tucson, AZ : University of Arizona Press, c1990 xviii, 356 p. : il. ; 24 cm. Arizona studies in human ecology Series statement from label on page facing t.p. Incluye referencia bibliográfica: p. [305]-338 e índice A painstaking, step-by-step accounting of how agriculture, through genetics, may be reaching its most vulnerable pinnacle. They are warning us of valuable resources now threatened, but still available to conserve, and they offer both public policy and hands-on ways of doing that." ETNOBOTANICA HOMBRE PREHISTORICO ALIMENTACION PLANTAS MEDICINALES PLANTAS TOXINAS QUIMICA ECOLOGICA https://www.cicy.mx/sitios/sib/doctoelectronico/8032.pdf Ver tabla de contenido y/o resumen ddc BK 7342 7342 0 0 ddc 0 0 CG CICY CICY CL 2024-10-09 2 1 613.2 J6 1990 8012 2024-11-28 12:43:24 2024-11-28 2024-10-09 BK