00448nam a22001577a 4500008004100000020001500041050002200056100002000078245006200098250001200160260003200172300003200204500002000236650001200256700002200268161001b        xxu||||| |||| 00| 0 eng d  a0697360520  aQH 308.2 E54 2000  aEnger, Eldon D.  aConcepts in Biology/cEldon D. Enger and Fredrick C. Ross  a9th ed.  aBoston:bMcGraw Hill,c2000  axii, 532p. :bill. ;c27cm.  aIncludes index.  aBiology  aRoss, Fredrick C.