Question

3. How does chemical coordination occur in plants?​

Answer 1

Answer:

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Explanation:

Chemical coordination occurs in plants with the help of phytohormones or plant hormones secreted by plants. Auxin, cytokinin, gibberellin, abscisic acid are plant hormones. These hormones regulate the growth and development of the plants. They also regulates various metabolic activities in the plants. These hormones respond to the external stimuli like light, temperature, etc. For example, auxin is responsible for the growth of the plants and cytokinin is responsible for the cell division. Similarly, gibberellin is responsible for stem elongation, flowering, fruit ripening. Abscisic acid is responsible for the dormancy.