How do nastic movements differ from tropisms?
A. Tropisms are directional responses to directional stimuli; nastic movements are the same regardless of the direction of the stimulus.
B. Nastic movements are slower than tropisms.
C. Nastic movements happen after a stimulus, tropisms happen during a stimulus.
D. Nastic movements are not reversible.
E. Nastic movements only occur in the dark.
Answer: A
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