A) Anisogamy
B) Mate choice
C) Mate competition
D) Intersexual selection
E) Primary sexual characteristics

A) Different factors limit the reproductive success of males and females.
B) Intersexual selection is stronger than intrasexual selection.
C) Isogamy favors intrasexual selection.
D) Ornamental traits are more important than weapons.
E) Parental investment influences primary sexual characteristics.

A) Males engage in aggressive interactions prior to mating.
B) Females prefer to mate with the largest males in a population.
C) Males experience higher variance in reproductive success than females.
D) Females prefer those males with the largest ornaments.
E) Sexual selection does not occur in this species.