, ▁and ▁can ▁therefore ▁under go ▁several ▁different ▁forms ▁in ▁battle . ▁ ▁X ▁Par as ites ▁The ▁X ▁Par as ite ▁is ▁a ▁unique ▁par as ite ▁witness ed ▁in ▁Met roid ▁F usion , ▁Met roid : ▁Sam us ▁Returns ▁and ▁the ▁Met roid ▁m anga . ▁ ▁The ▁appearance ▁of ▁an ▁X ▁Par as ite ▁is ▁simple : ▁a ▁basketball - s ized , ▁floating ▁gel atin ous ▁life ▁form . ▁The ▁structure ▁of ▁their ▁bodies ▁allow ▁them ▁to ▁s lip ▁through ▁the ▁t ini est ▁cre v ices ▁of ▁any ▁organ ism ▁or ▁synth etic ▁surface ; ▁their ▁soft ▁form ▁also ▁allows ▁project iles ▁to ▁har ml ess ly ▁pass ▁through ▁them . ▁Additionally , ▁they ▁have ▁the ▁ability ▁to ▁split ▁into ▁smaller ▁colon ies ▁via ▁a sex ual ▁reprodu ction . ▁ ▁X ▁are ▁capable ▁of ▁inf ect ing ▁other ▁organ isms ▁and ▁m im ick ing ▁their ▁pre y ' s ▁DNA ▁and ▁mem ories . ▁They ▁do ▁this ▁by ▁inf ect ing ▁the ▁organ ism ' s ▁nerv ous ▁system ▁where ▁they ▁then ▁start ▁reprodu cing ▁at ▁an ▁exponential ▁rate , ▁killing ▁the ▁host ▁creature ▁in ▁the ▁process . ▁Once ▁that ▁is ▁accomplished , ▁the ▁X ▁abs orb ▁the ▁DNA ▁of ▁their ▁host ▁and ▁are ▁then ▁able ▁to ▁use ▁it ▁to ▁m im ic ▁their ▁pre y ▁perfectly . ▁ ▁X ▁can ▁also ▁m im ic ▁bi ome chan ical ▁technology ▁such ▁as ▁the ▁Security ▁Rob ot ▁B . O . X . ▁and ▁Sam us