Ah, phototropism is plants leaning towards light, gravitropism is roots growing down with gravity. They work through auxin hormones. Honestly, I just looked this up again—my engineering textbooks never covered it properly. What I know better is the damn *tingthang* plant on our porch that stubbornly bends towards the neighbour’s lamp, ignoring my mother’s careful watering, a daily lesson in how life seeks its own energy, not the one you think you’re providing.
#exams#study
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