00501nam a22001817a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001200102110008400114245006300198260003200261300001000293650001600303CHAP20220329134345.0971013s1964 us r 00010 eng d a19278 a20250 a24338 cCHAP04a574bA52 aAmerican Institute of Biological Sciences. Biological Sciences Curriculum Study1 aBiological science; an inquiry into life. Teacher's manual aNew York :bHarcourt,c1964 a120 p14aBiología.