what are the tropic movements
Asked by
| 23rd Jun, 2008,
03:44: PM
Expert Answer:
A tropism is a biological phenomenon, indicating growth or turning movement of a biological organism, usually a plant, in response to an environmental stimulus. In tropisms, this response is dependent on the direction of the stimulus (as opposed to nastic movements which are non-directional responses).
Answered by
| 23rd Jun, 2008,
08:48: PM
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