The phenomenon of bending of stem towards sunlight is known as
Answers
The phenomenon of bending of stem towards sunlight is known as "PHOTOTROPISM"
it is a trophic movement(directional)
photo tropism
Photo tropism is the growth of a plant in the direction of its light source. Plants are very sensitive to their environment. A tropism is the growth of a plant as a response to a stimulus, and photo tropism occurs when a plant responds to light by bending in the direction of the light. Plant hormones called auxins play an important role in photo tropism. Auxin is a plant growth hormone. When light falls on one side of a plant, the auxin move to the dark side of the plant. The hormones stimulate the cells on the dark side of the plant to elongate, while the cells on the light side of the plant remain the same. This elongation on one side and staying the same on the other causes the plant to bend in the direction of the light.
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