Science: v.1-v.219Moses King, 1969 |
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Page 1030
... chicks behave differently toward their parents than the way they do toward other adults , even at the same place of encounter ( 2 ) , which implies that the chick can recognize its parents . I now re- port an experiment to test the pos ...
... chicks behave differently toward their parents than the way they do toward other adults , even at the same place of encounter ( 2 ) , which implies that the chick can recognize its parents . I now re- port an experiment to test the pos ...
Page 1031
... chick was tested with each tape twice , with the speaker placed first at one end and then at the other end of the box . The entire testing session for a chick therefore consisted of four silence - sound sequences . About 12 min- utes ...
... chick was tested with each tape twice , with the speaker placed first at one end and then at the other end of the box . The entire testing session for a chick therefore consisted of four silence - sound sequences . About 12 min- utes ...
Page 1032
... chick , particularly if it is outside the family territory , usually orients away from the adult , crouches silently , or flees . Such selective respon- siveness by the chick is evident in the field as early as 6 days after hatching ...
... chick , particularly if it is outside the family territory , usually orients away from the adult , crouches silently , or flees . Such selective respon- siveness by the chick is evident in the field as early as 6 days after hatching ...
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acid activity Alaska Amer American analysis animals anorthosite antigen areas Arranged basalt behavior Biochem Biology brain cells Center centromeres Chem chemical chick concentration culture DMBA drug effects electron environmental enzyme experience FeLV fraction genetic histamine human ibid illus increase injection Institute instrument isozymes knuckle-walking laboratory laughing gull lherzolite liver lymphosarcoma mascon measured mechanism ment mitochondria molecular nalorphine National neurons normal observed organ oxytocin Paper pattern percent physical plant plates population present Press problems protein puromycin range rats receptive fields References and Notes refractory period response Ridge Robert sample Science scientific scientists sediment Service Card silica social sorbitol specific stimulation structure symposium synthesis Table tion tissue tive ultraviolet units Univ University urban viral virus York