Another brief conversational exchange happens between Rhonda and Heather when the whole group is stuck on boulders near the end. Heather Gummer (survivalist's wife) remarks that the group has given up and Rhonda (geology student) replies that the graboids will just wait until they're dead.
Artist: "You two are just loving this, aren't you?"
Survivalist: "There's no need to get personal about this, Nancy.."