题目:
According to the passage, which of the following is true of plant antiherbivore chemistry?
选项:
A、Changes in a plant's antiherbivore chemistry may affect insect feeding behavior.
B、A plant's repellent effects often involve interactions between gum and resin.
C、A plant's antiherbivore responses assist in combating bacterial infections.
D、Plant antiherbivore chemistry plays only a minor role in the coevolution of plants and insects.
E、Researchers first studied repellent effects in plants beginning in the 1950s.
答案:
A