ers ome ▁for ▁the ▁R apt or , ▁who ▁can ▁knock ▁them ▁out . ▁The ▁enemy ▁gu ards ▁w ield ▁gr en ades ▁and ▁miss iles ▁but ▁can ▁be ▁easily ▁over power ed ▁by ▁the ▁R apt or , ▁although ▁the ▁final ▁level ▁increases ▁the ▁gu ards ' ▁presence ▁and ▁temper ament . ▁The ▁R apt or ' s ▁health ▁item ▁is ▁generic ▁" me at ", ▁although ▁it ▁has ▁the ▁ability ▁to ▁eat ▁a ▁" com py " ▁to ▁ref ill ▁its ▁health ▁as ▁well . ▁ ▁Development ▁Acc laim ▁Entertainment ▁and ▁Activ ision ▁had ▁both ▁bid ▁for ▁the ▁rights ▁to ▁produce ▁the ▁S ega ▁Gen esis ▁version ▁of ▁Jur ass ic ▁Park , ▁but ▁lost ▁to ▁S ega . ▁Doug ▁Ten N ap el , ▁who ▁created ▁Earth w orm ▁Jim , ▁was ▁the ▁lead ▁artist ▁for ▁the ▁development ▁team . ▁The ▁game ' s ▁anim ators ▁consult ed ▁exper ts ▁who ▁worked ▁on ▁the ▁film ▁on ▁how ▁the ▁game ' s ▁din osa urs ▁should ▁look . ▁The ▁development ▁team ▁also ▁consult ed ▁with ▁pale ont ologist ▁Robert ▁Bak ker , ▁who ▁disse cted ▁a ▁super market ▁ch icken ▁to ▁demonstrate ▁the ▁similar ities ▁of ▁din osa ur ▁an atom y ▁to ▁bird ▁an atom y . ▁Bak ker ▁also ▁appeared ▁in ▁a ▁commercial ▁for ▁the ▁game . ▁For ▁the ▁game ▁to ▁reflect ▁the ▁latest ▁din osa ur ▁discover ies ▁and ▁theories , ▁the ▁development ▁team ▁took ▁field ▁tri ps ▁to ▁museum s ▁of ▁natural ▁history ; ▁and ▁to ▁zo