As Presented in the Textbook, in One of the Most

Multiple Choice

As presented in the textbook, in one of the most influential papers on modern evolutionary theory, Robert Trivers (1972) used sex differences in parental investment to explain different mating systems. Trivers argued that polygyny should be the most common mating arrangement if

A) female parental investment is high
B) male parental investment is low
C) female parental investment is low
D) both male and female parental investment is high
E) female parental investment is high and male parental investment is low