You are observing a new species from the Amazon rain forest. It would appear that the females spend more time looking after the offspring than the males. 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

According to Trivers' theory, in species where females invest more in offspring care, males often compete for access to multiple females, leading to a polygynous mating system.

You Are Observing a New Species from the Amazon Rain