00585nam a22001937a 4500008004100000020001800041050002300059100002600082245006300108250001200171260004500183300003700228521005100265650001300316650001300329650001400342650001200356700002300368170123b        xxu||||| |||| 00| 0 eng d  a9780697222312  aQH 308.2 .R38 1995  aRaven, Peter H.d1995  aUnderstanding biology/cPeter H. Raven, George B. Johnson.  a3rd ed.  aLondon:bWm. C. Brown publishers,c1995.  axxxi, 872, (63)p.:bill.;c28cm.  aIncludes bibliographical references and index.  aBiology.  aAnimals.  aGenetics.  aPlants.  aJohnson, George B.