Why do sunflower turns towards the sun
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The sunflower plant contains hormones called auxins. These hormones are sensitive to sunlight and do everything they can to seek shade! Therefore, they migrate from the part of the plant bathed in sunlight to the shaded region in the stem. Once there, the auxins stimulate the growth of cells. This causes the stem to become bulkier in the shaded region, so the flower ends up bending in the opposite direction – towards the Sun!
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The sunflower is sensitive to the stimulus of light . It shows phototropism.
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