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What is tropism?


Asked By: Mahika Nadig



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the turning of all or part of an organism in a particular direction in response to an external stimulus. A tropism is a biological phenomenon, indicating growth or turning movement of a biological organism, usually a plant, in response to an environmental stimulus. A tropism is a biological phenomenon, indicating growth or turning movement of a biological organism, usually a plant, in response to an environmental stimulus. Tropism, response or orientation of a plant or certain lower animals to a stimulus that acts with greater intensity from one direction than another. Tropism definition, an orientation of an organism to an external stimulus, as light, especially by growth rather than by movement. Organisms with a tropism will naturally turn toward a stimulus.

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