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Chapter 4: Problem 7

Eva was 9 years old when she started to develop breasts, which is a _____________. Then, at age 12 , Eva began menstruation, which is a __________. a. sign of maturation; sign of puberty b. sign of puberty; sign of maturation c. primary sex characteristic; secondary sex characteristic d. secondary sex characteristic; primary sex characteristic

Short Answer

Expert verified
d. secondary sex characteristic; primary sex characteristic

Step by step solution

01

Define maturation

Maturation is the process of becoming mature or fully developed in the body or mind. In this context, it usually refers to the development of sexual organs and characteristics.
02

Define puberty

Puberty is the specific stage in life when a person starts developing sexual characteristics, as a result of hormonal changes in the body, ultimately leading to the ability to reproduce.
03

Define primary and secondary sex characteristics

Primary sex characteristics are the physical and physiological traits related to the reproductive system that appear during puberty (e.g., growth of sexual organs, menstruation). Secondary sex characteristics are traits that do not directly involve the reproductive system but still distinguish between male and female (e.g., breasts, facial hair).
04

Identify the correct terms for each event

- Developing breasts at age 9 is a secondary sex characteristic, as it does not directly involve the reproductive system. - Starting menstruation at age 12 is a primary sex characteristic, as it is directly related to the reproductive system and the onset of puberty.
05

Choose the correct answer

Based on the definitions and identifications in previous steps, the correct answer is: d. secondary sex characteristic; primary sex characteristic

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Most popular questions from this chapter

Tanya is 78 years old and has stayed physically and mentally active, so she is experiencing only the normal cognitive decline of a person her age. As a result, Tanya is least likely to have trouble with ___________. a. thinking and reacting quickly to road signs when she is driving b. trying to keep in mind a list of items to buyat the store while also talking to a friend she sees in the store c. remembering what she learned long ago, such as the names of the state capitals d. quickly learning the names of several new people that she meets at a party

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