单选题 The passage suggests that a semblance between a species' plumage and the food available in a given ecological niche

• (A) is an evolutionary advantage because it allows the males and females of the species to forage for food more efficiently
• (B) is an evolutionary advantage because it tends to permit the isolation of the species population, thus increasing food supply
• (C) is an evolutionary advantage because it reduces the necessity for rivalry between males of different species by helping identify females
• (D) is an evolutionary advantage because it minimizes the amount of energy necessary for the courtship process
• (E) is an evolutionary advantage because it provides a marker for the species' territory, thus reducing the energy necessary for controlling the niche's food supply