Control and coordination

Note- Stimuli is the technique for how to respond and react to the changes in the environment.

Response of organisms to the stimulus is generally identified by movement.

This is the image of sensitive plant named as mimosa pudica.....

Sunflower

      Sunflower is also a major sensitive plant. Sunflower is turning it's position in the direction of sun by this reason sunflower is know as sunflower.

   Look at the image of sunflower

      

Sunflower--

NOTE- The plants do not have any nervous system.

Plants harmones...

 There are four major types of plant hormones name as

  1. Auxins.

  2. Gibberellins.

  3. Cytokinins.

  4. Abscisic acid.