00594nam a22001817a 4500008004100000020001800041050002300059100003000082245010600112250001200218260004400230300004700274500001900321650001300340700001800353700002200371700001900393160803b        xxu||||| |||| 00| 0 eng d  a9780716743484  aQH 308.2 .R38 2002  aPurves, William K.d2002.  aLife:bThe Science of Biology/cWilliam K. Purves,David Sadara, Gordon H. Orians and H. Craig Heller.  a6th ed.  aUSA:bW. H. Freeman and Company,c2002.  axxxviii,377p.:bIll.(Chiefly col).;c27cm.  aInclude index.  2Biology.  aSadava, David  aOrians, Gordon H.  aHeller, HCraig