Many plants are capable of responding very rapidly to mechanical stimuli. For instance, Venus Flytraps respond more quickly than their insect prey can escape
A very mild touch, or a light breeze can cause the leaves of the Sensitive Plant to close tightly. This rapid transmission of touch is accomplished by
A) Rapid changes in phloem pressure
B) Efficient, rapid transport of auxin
C) Self-propagating changes in membrane potential
D) Release of volatile airborne signals
E) All of the above are employed by these plants.
Answer: C
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