EVERYDAY SCIENCE

Detailed explanation-1: -A stimulus is a change in the external or internal environment that produces a physiological response. When applied to sensory receptors, it provokes behavior or response. Internal stimuli (such as changes in blood pressure) and external stimuli (tactile, sound, smell, taste, vision, etc.).

Detailed explanation-2: -The ability of an organism to respond to external stimuli is called sensitivity. For example, Plants grow towards light(external stimuli) sources, and if the direction of light is changed, the plant will also change its direction of growth to accommodate for survival.

Detailed explanation-3: -Response : Response are any type of behavior of a living organism that results from a stimulus. Hence, the change in an organism resulting due to a stimulus is called response or reaction.

Detailed explanation-4: -Answer and Explanation: A change in an organism’s environment that causes the organism to react is called a stimulus. A stimulus usually causes some kind of increase in activity, whether it’s metabolic or externally physical.