Question

Describe chemonastic movement with an example

Answer 1

A non directional movement in a plant or plant part in response to change in chemical concentration.



Chemonastic movement is a response to a diffuse chemical stimulus; a change in the structure or position of an organ in response to a diffuse chemical stimulus.

Answer 2

The description about chemonastic movement is as follows:

Explanation:

• Chemonastic movement can be define as the movement or response of parts of plant, animals or any other organisms towards a chemical stimulus.
• This attraction brings a change in structure, position and organ affected by the stimulus.
• The example of chemonastic movement includes the growth of fungal hyphae   and penetrating the soil surface so as to obtain the chemicals in the organic matter to obtain energy.
• Another example the growth of plant roots against the gravity to obtain nutrients from the soil.
• The development of pollen tube towards the ovule to impart chemical or pollen to the ovule and to conduct fertilization.

Learn more about chemonastic movement:

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