Question

what is stimulus..............​

Answer 1

Answer:

STIMULUS MEANS TO RESPOND TO THE SURROUNDINGS

STIMULUS MEANS TO RESPOND TO THE SURROUNDINGS or

something that causes activity, development or interest

stimulus (plural stimuli or stimuluses) is a detectable change in the physical or chemical structure of an organism's internal or external environment. The ability of an organism or organ to respond to external stimuli is called sensitivity.

hope it helps....

Answer 2

something that incites to action or exertion or quickens action, feeling, thought, etc.:

a thing or event that evokes a specific functional reaction in an organ or tissue.

"areas of the brain which respond to auditory stimuli"

a thing that arouses activity or energy in someone or something; a spur or incentive.

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