what is tropism ? name few of them.
Asked by | 11th Sep, 2012, 10:53: PM
Tropism is the turning or bending movement of an organism or any of its part in a particular direction in response to an external stimulus.
Some tropism - Phototropism, geotropism, chemotropism, hydrotropism
Answered by | 12th Sep, 2012, 10:06: AM
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