എത്തോളജിയുടെ സ്ഥാപകനായി കണക്കാക്കുന്നത് ആരെയാണ്?
Aജോർജ്ജ് റോമൻസ്
Bചാൾസ് ഡാർവിൻ
Cജോൺ വാട്സൺ
Dഇവാൻ പാവ്ലോവ്
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