Refer to the Figure

Refer to the figure.
These findings illustrate

A) Bateman's principle, where males have higher reproductive variance than females due to sex differences in mating behavior.
B) that sex roles can be dynamic and shift over the course of a single breeding season.
C) female parental investment impacts the operational sex ratio during the breeding season.
D) that sex role reversal is more likely to occur in species in predictable environments.