FIB : The movement of an organism in response to the intensity of the stimulus is called

1. The movement of an organism in response to the intensity of the stimulus is called ____. 
2. The movement of a plant’s stem towards the source of light is called ____. 
3. The name of the movement found in Mimosa pudica is ____.
4. In movement, the pollen tube moves toward the ovum which is called ____.

Answer

1. The movement of an organism in response to the intensity of stimuli is called taxis.
2. The movement of a plant’s stem towards the source of light is called phototropism.
3. The name of the movement found in Mimosa pudica is seismonasty or thigmonasty.
4. In the movement, the pollen tube moves toward the ovum, which is called chemotaxis.