What is called when plants grow toward the sun or an artificial light?\nOptions:\n- (A) Exfoliation\n- (B) Brownian motion\n- (C) heat energy\n- (D) phototropism\n- (E) photovoltaic\n- (F) autumn\n- (G) peachleaf willow\n- (H) mitosis
Hmmm, let me think. I don't want to be wrong, so I got to be careful.
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Plants exhibit phototropism, or growing toward a light source. Many light sources such as the sun and most artificial lights produce unpolarized light. Plants exhibit phototropism, or growing toward the sun or artificial light. The answer: (D).
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