The Theory Proposed by Robert Trivers (1972) Used Sex Differences

question 181

Multiple Choice

The theory proposed by Robert Trivers (1972) used sex differences in parental investment to explain different mating systems. If the females compete with one another for access to males and are larger, stronger, more active, and more aggressive than the males of the species, this would be typical of a ___________________ mating system.

• A)polygynous
• B)monogamous
• C)polyandrous
• D)polygynandrous

---

Definitions:

Frontal Cortex

The front part of the cerebral cortex involved in decision making, problem solving, and controlling behavior and emotions.

Puberty

A developmental stage where adolescents undergo physical and hormonal changes, leading to sexual maturity.

Emotional

Pertains to feelings, emotions, or mood, often influencing behavior and perception.

Erikson

Erikson refers to Erik Erikson, a developmental psychologist known for his theory on the psychosocial development of humans, emphasizing the impact of social interaction across the lifespan.