An example of a male secondary sex characteristic is __________.

Indiana Jones goes off to foreign lands in search of artifacts hidden in dangerous places and guarded by fierce protectors. Dr. Jones would be described as __________ in arousal theory.

Ava and Alexander are fraternal twins born 17 minutes apart. They go through many of life’s trials and tribulations together, but if their developmental schedules hold true to average, Ava will start going through her pubescent development approximately __________ her brother.

__________ refers to the physiological changes in the sex organs and reproductive system that occur during adolescence.

River is a very active 5-year-old compared to others in his class. He appears to seek a great deal of stimulation and is very playful, curious, and explorative. River’s seemingly unlearned motives, which are likely to increase stimulation, are called __________ motives.

Which of the following is a male secondary sex characteristic?

When children observe their same-sex parent behaving in certain ways and imitate that behavior, a psychologist uses which theory to explain the situation?

The precursors of female sex organs during prenatal development form the __________ system.

One example of a female secondary sex characteristic is __________.

The growth spurt for girls typically begins at what age?