What is the principle of dominance?

Next pretest: evolution select the correct answer in a laboratory population of flies, the female flies are gray and the males are yellowish gray. biologists observed that all the male flies had an equal chance for reproduction, but the male flies with the brightest colors were more likely to successfully reproduce. what phenomenon could explain such a change? a sexual selection b. disruptive selection c. stabilizing selection d. directional selection

Individuals do not compete directly for resources, but are prey for the same predator

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks