- Do plants always grow "up"? Which parts of the plant show gravitropism? How does gravitropism help a plant meet its needs?
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Can plants grow in the dark? What are the differences between plants grown in darkness and those grown in light? What do you think is the reason for these differences?
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How do the motions of the plants that you see in these videos benefit the plant? Give specific examples.
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How does plant motion compare with animal motion?
