Response to Stimuli

Transcript

StimulusExample 1 What happens when we unexpectedly stepped on a Sharp Object without shoes? We Instantly withdraw foot StimulusExample 2 What happens when we accidently touch a hot object? What is Stimulus?Any thing or any event that prompts living beings to respond is called a stimulus. Stimulus – Stepping on a Sharp Object without shoes Response to Stimulus – Instant withdrawal of the foot Stimulus – Accidently touching a hot object Response to Stimulus – Instantly pulling the hand away Note - Stimuli is plural of stimulus Do plants also respond to stimuli?Yes, plants also respond to stimuli because All living beings respond to stimuli. Example 1 Touch Me – Not Plant also called Mimosa, Chhui – Mui, Lajjalu These plants fold their leaves when we touch them. Do plants also respond to stimuli?Yes, plants also respond to stimuli because All living beings respond to stimuli. Example 2 Sleeping Leaves of Amla (Indian Gooseberry) The leaves of certain plants like Amla, facing each other tend to come together and fold their leaves after sunset.