A tropical bird has two traits that may influence sexual selection: males have a black spot on the wings and red body coloration. Females lack the color spot and their body is a cryptic brown. In a controlled experiment, males with bigger black wing spots mate at a higher frequency but males with brighter red body coloration were better able to defend their mating territories from other male competitors. The traits(s) influencing intrasexual selection is (are)...
A tropical bird has two traits that may influence sexual selection: males have a black spot on the wings and red body coloration. Females lack the color spot and their body is a cryptic brown. In a controlled experiment, males with bigger black wing spots mate at a higher frequency but males with brighter red body coloration were better able to defend their mating territories from other male competitors. The traits(s) influencing intrasexual selection is (are)...
only the red body color
only the cryptic brown body color
only the black wing spot
both the black wing spot and the red body color
both the black wing spot and cryptic brown body color