▁n ym ph ▁may ▁grow ▁at ▁less ▁than ▁half ▁the ▁rate ▁of ▁grouped ▁individuals , ▁and ▁has ▁a ▁poor er ▁life ▁expect ancy . ▁ ▁Both ▁term ites ▁and ▁co ck ro aches ▁eng age ▁in ▁cop roph agy , ▁the ▁consumption ▁of ▁f ec al ▁pel lets . ▁Ad ult ▁term ite ▁workers ▁for age ▁and ▁bring ▁food ▁back ▁to ▁the ▁nest ▁where ▁they ▁pass ▁it ▁to ▁the ▁re product ives ▁and ▁young ▁either ▁by ▁mouth ▁or ▁by ▁an us , ▁providing ▁the ▁whole ▁of ▁their ▁nut r itional ▁needs ▁in ▁this ▁manner . ▁Young ▁co ck ro aches ▁are ▁in effect ive ▁for agers , ▁s eld om ▁st ray ing ▁from ▁their ▁hiding ▁places , ▁and ▁obtain ▁much ▁of ▁their ▁n our ishment ▁from ▁e ating ▁the ▁f ec al ▁pel lets ▁of ▁larger ▁individuals . ▁From ▁these ▁they ▁ac quire ▁the ▁micro b ial ▁fl ora ▁that ▁helps ▁them ▁to ▁dig est ▁their ▁food . ▁ ▁A ▁single ▁co ck ro ach ▁family , ▁the ▁C rypt oc erc idae , ▁and ▁one ▁primitive ▁species ▁of ▁term ite , ▁M ast ot erm es ▁dar w ini ensis , ▁share ▁such ▁characteristics ▁as ▁the ▁segment al ▁origin ▁of ▁certain ▁female ▁re product ive ▁structures , ▁and ▁the ▁fact ▁that ▁both ▁depos it ▁their ▁eggs ▁in ▁the ▁o othe ca e ▁that ▁are ▁typical ▁of ▁co ck ro aches . ▁ ▁C ock ro aches ▁ ▁Ar th rop ods ▁similar ▁to ▁living ▁co ck ro aches ▁domin ated ▁the