試題詳解

38. If a plant detects increased levels of light reflected from the leaves of encroaching neighbors, it typically responds with stem elongation, production of erect leaves, and reduced lateral branching. How do these responses help the plant compete?
(A) They allow the plant to store more water in its stems.
(B) They enhance the plant's ability to produce defensive chemicals.
(C) They enable the plant to grow taller and capture more light, reducing shading from competitors.
(D) They promote earlier flowering and seed production.