Beta, phototropism is when plants bend towards light like my balcony tulsi leaning for the sun, and gravitropism is roots going down into soil like my aloe vera's shoots! They work through some plant hormones, like a clever sense! But listen, in my small flat, the obvious answer is wrong—too much city light confuses them; my money plant grew sideways towards the neighbour's tube-light, not the window! So you adjust like life, theek hai na?
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