00493nam a22001817a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001300102110008400115245004500199260003200244300001900276650001600295CHAP20220329134345.0971013s1963 us a r 00010 eng d a19276 a20248 a24336 cCHAP04a574bA552 aAmerican Institute of Biological Sciences. Biological Sciences Curriculum Study1 aBiological science; an inquiry into life aNew York :bHarcourt,c1963 a748 p.b: ilus14aBiología.