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Phototropism definition is - a tropism in which light is the orienting stimulus.


Phototropism definition, phototropic tendency or growth. See more.


Phototropism Definition. Phototropism is the ability of a plant, or other photosynthesizing organism, to grow directionally in response to a light source. Phototrophic Stimulus Response. Plants and other autotrophs need to manufacture their own food; they usually do this through photosynthesis.


Define phototropism. phototropism synonyms, phototropism pronunciation, phototropism translation, English dictionary definition of phototropism. n. Growth or movement of a sessile organism toward or away from a source of light. pho′to·tro′pic adj. n 1. the growth response of plant parts to the...


Phototropism in plants is a process where a plant bends in response to sunlight or any other light source for the production of energy to stimulate the growth of the plant. In this content, definition, history, mechanism, types, an overview and role of phototropins and auxins are explained.


Phototropism is the growth of an organism in response to a light stimulus. Phototropism is most often observed in plants, but can also occur in other organisms such as fungi. The cells on the plant that are farthest from the light have a chemical called auxin that reacts when phototropism occurs. This causes the plant to have elongated cells on ...


phototropism definition: the growth or movement of a plant, or of a particular part of a plant, towards light or away from it. Learn more.


phototropism a bending growth movement of parts of a plant in response to a light stimulus. The movement produced by unequal growth is due to differences in AUXIN concentration. For example, most seedlings are positively phototropic, growing towards a light stimulus, because there is a greater concentration of auxin on the side furthest away from the light, giving greater growth on this side.


Phototropic definition is - of, relating to, or capable of phototropism. Time Traveler for phototropic. The first known use of phototropic was in 1883. See more words from the same year


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