Human language uses less sounds and is less symbolic than are the communication systems used by other primates. is symbolic, arbitrary, is an open system, and uses displacement. is closed, non-arbitrary, and lacks displacement. is symbolic, closed, and lacks displacement. In which way is a human\'s big toe different from a chimpanzee\'s big toe? the human\'s big toe is divergent and capable of grasping. the chimp\'s big toe is divergent and capable of grasping. the chimp\'s big toe is located on the other side of the foot. chimps don\'t have a big toe. Which of the following is a trait that is characteristic of mammals? postnatal patterns that emphasize having fewer offspring but providing more parental care. all of the above Solution Answers : 1. b. Human language is symbolic, arbitory, is an open system and uses displacement. 2. b. The Chimp\'s big toe is divergent and capable of grasping. 3. d..