Heliotropism is the phenomenon where plants or flowers orient themselves towards sunlight. This movement is often observed in sunflowers and other plants that display growth or movement in response to the direction of sunlight throughout the day. There are two main types of heliotropism: 1. **Positive Heliotropism**: This occurs when plants bend or grow towards the sun, maximizing their exposure to sunlight, which is essential for photosynthesis.
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