ami ▁( not ▁Supreme ▁Le ader ▁Ay atol lah ▁K ham ene i ) ▁Lib ya ▁- ▁Mu am mar ▁G add af i , ▁described ▁as ▁" L ead er ▁of ▁the ▁Great ▁Al ▁F ata h ▁Revolution " ▁ ▁References ▁ ▁External ▁links ▁ ▁Category : Ph ot ographic ▁collections ▁and ▁books <0x0A> </s> ▁Cultural ▁evolution ▁is ▁an ▁evolution ary ▁theory ▁of ▁social ▁change . ▁It ▁follows ▁from ▁the ▁definition ▁of ▁culture ▁as ▁" information ▁capable ▁of ▁affect ing ▁individuals ' ▁behavior ▁that ▁they ▁ac quire ▁from ▁other ▁members ▁of ▁their ▁species ▁through ▁teaching , ▁im itation ▁and ▁other ▁forms ▁of ▁social ▁transmission ". ▁Cultural ▁evolution ▁is ▁the ▁change ▁of ▁this ▁information ▁over ▁time . ▁ ▁Cultural ▁evolution , ▁histor ically ▁also ▁known ▁as ▁soci oc ult ural ▁evolution , ▁was ▁originally ▁developed ▁in ▁the ▁ 1 9 th ▁century ▁by ▁anth rop olog ists ▁stem ming ▁from ▁Charles ▁Dar win ' s ▁research ▁on ▁evolution . ▁Today , ▁cultural ▁evolution ▁has ▁become ▁the ▁basis ▁for ▁a ▁growing ▁field ▁of ▁scientific ▁research ▁in ▁the ▁social ▁sciences , ▁including ▁anth rop ology , ▁econom ics , ▁psych ology ▁and ▁organiz ational ▁studies . ▁Pre viously , ▁it ▁was ▁believed ▁that ▁social ▁change ▁resulted ▁from ▁bi ological ▁adapt ations , ▁but ▁anth rop olog ists ▁now ▁commonly ▁accept ▁that ▁social ▁changes ▁arise ▁in ▁consequence ▁of ▁a ▁combination ▁of ▁social , ▁evolution ary ▁and ▁bi ological ▁influ ences . ▁ ▁There ▁have ▁been ▁a ▁number ▁of ▁different ▁approaches ▁to ▁the ▁study ▁of ▁cultural ▁evolution