<prompt> Obligate intracellular parasite among the following isNaegleria fowleriAcanthamoebaToxoplasmaBalamuthia  <response>: Obligate intracellular parasites cannot reproduce outside their host cell, meaning that the parasites reproduction is entirely reliant on intracellular resources. Toxoplasma,Cryptosporidium Bacteria-chlamydia ,Rickettsia 