the effect of light on the growth and development of a plant

the effect of light on the growth and development of a plant is called?

Solution

The effect of light n the growth and development of a plant is called Phototropism. Phototropism is the growth of an organism which respond to a light stimulus.Its is most often observed in plants but can also occur in other organisms like fungi.The cells on the plant that are farthest from the light have chemical called auxin that reacts when phototropism occurs