Biology

Differentiate between thigmotropic and chemotropic movement.

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Differences between between thigmotropic and chemotropic movement are:

Thigmotropic Movement	Chemotropic movement
The growth movement of plant parts in response to touch stimulus is called thigmotropic movement.	The growth movement of plant parts in response to nutrient or chemicals is called chemotropic movement.
Example — Plants such as sweet peas, Cuscuta and vines have tendrils which coil around other plants in response to one sided contact or touch.	Example — Growth of pollen tube towards the sugary substance secreted by the stigma of the flower.

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