試題詳解

19. Optimal foraging theory predicts that animal foragers should generally:
(A) Prefer the most abundant prey type because it's the most frequently encountered one.
(B) Always specialize in a singlee prey type regardless of abundance.
(C) Prefer the rarest prey type to minimize competition.
(D) Select diet to maximize energy gained per unit time, subject to constraints (e.g., handling time).