Jeff Is 13 Years Old and He Has Recently Noticed

question 2

Multiple Choice

Jeff is 13 years old and he has recently noticed some remarkable changes in himself.Over the past few months his voice has started to change,growing deeper.He has begun to grow pubic hair,as well as the beginnings of a facial beard.He is also filling out,with his muscles developing rapidly.These changes in Jeff are probably due to the action of the _____________.

• A)gonads
• B)thyroid gland
• C)pineal gland
• D)adrenal gland

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Definitions:

Gender

Gender refers to the roles, behaviors, activities, expectations, and societal norms associated with being male, female, or non-binary, often shaped by cultural and social influences.

Primary Sex Characteristics

The biological and physiological characteristics that define male and female organisms, such as reproductive organs.

Evolutionary Psychologists

Researchers who study how evolutionary principles explain human psychological features and behaviors.

Sexual Behavior

Actions or practices related to the expression of sexuality or sexual attraction between individuals.