The chromosomes of a cell, excluding those that determine sex, are called:

Len sits down to relax in his easy chair after a long, hard day at work. As he sits reading

his paper, he grows more relaxed. His breathing and heart rate slow down, and his muscles loosen. Len's relaxation is due to the activity of his ______ nervous system. a. sympathetic c. somatic b. parasympathetic d. central

Seventeen-year-old Ursa develops an interest in astronomy. If she is in Super's specification stage of career development, her next step would most likely involve a. taking a full-time job at an observatory

b. signing up for a course in basic astronomy. c. determining whether she has a personality type suited for work as an astronomer. d. trying to get a handle on other aspects of her life (e.g., relationships).