It can take no nourishment from what it ingests.It""s working on instinct - a deep dark primordial instinct." He described how he was performing Pavlovian conditioning experiments on the zombies to ""domesticate"" them and to find a cure for the apocalyptic plague and epidemic of undead swarming throughout the country: "It can be domesticated Sarah, don""t you see? It can be conditioned to behave the way we want it to behave.The crippledEnterpriseretreated to the static-filled atmosphere of Mutara Nebula where "the odds will be even" and defensive shields useless.The dinosaurs were very realistically-rendered and seamlessly integrated within live-action sequences.The film was also strongly influenced by director George Pal""sConquest of Space (1955), and was similar in some plot elements that were referenced by Kubrick.As they approached Vulcan""s upper atmosphere and were preparing to help evacuate it, Kirk (suffering from a vaccine reaction with swollen hands) realized that the Vulcan report sounded eerily like the one facing theUSS Kelvinyears earlier - he feared: "We""re flying into a trap.