000 00715 a2200229 4500
005 20250512184319.0
264 0 _c19660305
008 196603s 0 0 eng d
022 _a0039-7989
040 _aNLM
_beng
_cNLM
100 1 _aSchaeffer, B
245 0 0 _aThe role of experimentation in the origin of higher levels of organization.
_h[electronic resource]
260 _bSystematic zoology
_cDec 1965
300 _a318-36 p.
_bdigital
500 _aPublication Type: Journal Article
650 0 4 _aAdaptation, Biological
650 0 4 _aAnimals
650 0 4 _aBiological Evolution
650 0 4 _aPaleontology
650 0 4 _aVertebrates
773 0 _tSystematic zoology
_gvol. 14
_gno. 4
_gp. 318-36
999 _c5892693
_d5892693