00568nam a22001457a 4500008004100000020001500041050002300056100003500079245008700114260005100201300004200252504005100294650004400345650003300389160917b        xxu||||| |||| 00| 0 eng d  a0309063647  aQH 362b.T435 1998  aNational  academy of sciences.  aTeaching about evolution and the nature of science/cNational Academy of sciences/  aWashington,Dc:bNational academy press;c1998.  aix,140p. :bill. (Chiefly col)c22cm.  aIncludes bibliographical references and index.  aEvolution(biology)xstudy and teaching.  aSciencexstudy and teaching.