You are observing a new species from the Amazon rain forest. It would appear that the mating system is polygyny. According to Trivers' theory regarding mating systems, what would lead you to this conclusion?
A)The females are much larger than the males.
B)The males are much larger than the females.
C)The females have more mates than the males.
D)The males show more parental investment.
E)The males are much more discriminating in choosing a mate.

Question

Quizplus · Accepted Answer

Trivers' theory suggests that in species where one sex, typically males, competes for mates, they tend to be larger or have other attributes that give them an advantage in competition. This is consistent with a polygynous mating system where a single male mates with multiple females.

You Are Observing a New Species from the Amazon Rain