, ▁different ▁communities ▁of ▁r ats ▁or ▁ch imp anze es ▁have ▁violent ▁mut ual ▁ant ip ath y ). ▁There ▁also ▁are ▁various ▁forms ▁of ▁educational ▁function , ▁such ▁as ▁in ▁some ▁species ▁where ▁the ▁young ▁must ▁learn ▁the ▁correct ▁mate ▁recognition ▁skills , ▁and ▁in ▁highly ▁intellig ent ▁species ▁such ▁as ▁c rows ▁and ▁ele ph ants , ▁must ▁learn ▁the ▁necessary ▁social ▁skills ▁and ▁the ▁necessary ▁traditional ▁for aging ▁techniques ▁in ▁their ▁region . ▁ ▁A ggreg ation ▁activities ▁are ▁not ▁restricted ▁to ▁the ▁animal ▁kingdom ; ▁for ▁one ▁example , ▁a ▁fundamental ▁class ▁of ▁aggreg ations ▁occurs ▁in ▁the ▁various ▁groups ▁of ▁sl ime ▁m olds , ▁in ▁which ▁separate ▁cells ▁actually ▁aggregate ▁in ▁the ▁process ▁of ▁construct ing ▁their ▁re product ive ▁structure . ▁ ▁Category : E th ology <0x0A> </s> ▁Content ▁in ▁this ▁edit ▁is ▁translated ▁from ▁the ▁existing ▁Dutch ▁Wikipedia ▁article ▁at ▁: nl : Mont ess ori ▁Ly ce um ▁Amsterdam ; ▁see ▁its ▁history ▁for ▁att ribution . ▁ ▁The ▁Mont ess ori ▁Ly ce um ▁Amsterdam , ▁shortly ▁M LA , ▁is ▁a ▁school ▁in ▁Amsterdam ▁Z uid . ▁It ▁was ▁the ▁first ▁Mont ess ori ▁secondary ▁school ▁in ▁the ▁world . ▁ ▁The ▁school ▁is ▁a ▁ly ce um ▁with ▁the ▁directions ▁v wo ▁( ath ene um ▁and ▁g ymnasium ), ▁ha vo ▁and ▁vm bo - t . ▁ ▁The ▁school ▁is ▁part ▁of ▁the ▁Mont ess ori ▁Sch ol eng eme ensch ap ▁Amsterdam , ▁or ▁M SA