00264nam a2200109 a 450000500170000002000150001708200180003210000230005024500310007326000350010430000150013920251203091646.0  a0673383202  a574,bD, wall  aWallace, Robert A.  aBiology: the world of life  aNew YorkbHarper Collinsc1990  a700p, 24cm