You are observing a new species from the Amazon rain forest. It would appear that the females and males spend about the same amount of time looking after the offspring. According to Trivers' theory regarding mating systems, the likely mating system is
A)monogamy
B)polygynandry
C)polyandry
D)polygyny
E)random

Question

Quizplus · Accepted Answer

Trivers' theory suggests that in species where both males and females invest equally in offspring care, monogamy is the most likely mating system. This is because both parents are equally invested in the success of their offspring, leading to a cooperative breeding strategy.

You Are Observing a New Species from the Amazon Rain