AP BIOLOGY

Detailed explanation-1: -A stimulus causes an action or response, like the ringing of your alarm clock if you didn’t sleep through it. Stimulus is a word often used in biology-something that causes a reaction in an organ or cell, for example.

Detailed explanation-2: -Anything that can cause a bodily or behavioral change is a stimulus. Response: A living organism’s behavior that arises in reaction to an internal or external stimulus is known as a response.

Detailed explanation-3: -A stimulus is anything that can trigger a physical or behavioral change. The plural of stimulus is stimuli. Stimuli can be external or internal. An example of external stimuli is your body responding to a medicine.

Detailed explanation-4: -Stimulus: A detectable change happens in the environment. Receptors: The receptor convert environmental stimuli into electrical nerve signals. Neurons: The nerve signals are transferred to the central nervous system via neurons. Effectors: Effectors produce a response as a result of the stimulus.