Answers

  • Brainly User
2015-08-05T20:43:21+05:30
Tropism is biological phenomenon indicating growth  or turning movement of a biological organism.  usually a plant in response to an environment stimulus in tropisms this response is depended on the direction of the stimulus . viruses and other pathogen also affect is called cell tropism.


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0
2015-08-06T11:00:13+05:30
Tropism is usually seen in plants. It is the directional movements towards or away from the stimulus. And it also depends on growth.
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