What is life science stimulus?

In the context of science, a stimulus is anything that makes an organism or a part of an organism react in some way. For example, for most plants, sunlight acts as a stimulus that causes (stimulates) them to grow or move toward it.

What is a stimulus easy definition?

1 : something that stirs or urges to action The reward was a stimulus for greater effort. 2 : an influence that acts usually from outside the body to partly change bodily activity (as by exciting a receptor or sense organ) Light, heat, and sound are common physical stimuli. stimulus. noun.

What is an example of a stimulus in science?

Stimulus: any change in an organism’s environment that causes the organism to react. It is a fancy way of saying “cause”. Example: An animal is cold so it moves into the sun.

What is a stimulus in an experiment?

When it comes to human behavior research, stimuli are the items used to evoke a reaction from participants or respondents in a study. Stimuli may come in a range of formats including audio, visual or physical.

What is meant by stimulus and sensitivity?

In physiology, a stimulus 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 detect external stimuli, so that an appropriate reaction can be made, is called sensitivity (excitability).

What is a stimulus quizlet?

stimulus. An environmental change that directly influences the activity of a living organism. internal stimulus. A change from within an organism, such as hunger and thirst, that causes the organism to respond.

What is another word for stimulus?

In this page you can discover 39 synonyms, antonyms, idiomatic expressions, and related words for stimulus, like: inducement, stimulant, provocation, encouragement, propellant, spur, impetus, impulse, incentive, cause and stimulation.

What is stimulus and example?

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. An example of internal stimuli is your vital signs changing due to a change in the body.

What is stimulus in biology class 11?

A detectable change in the chemical or physical structure of an organism’s external or internal environment is called a stimulus. Sensitivity is the ability of an organ or organism to detect external stimuli, so that an appropriate reaction can be produced.

What is a stimulus and what is a response quizlet?

What is a stimulus and stimulus class?

Definition: A group of stimuli that are similar along one or more dimensions (for example, they look or sound similar, they have a common effect on behavior, or they occur at similar times relative to the response).

What is stimulus Byjus?

Stimulus is an event or any change in the external environment that evokes a specific functional reaction in an organ or tissue. stimulus can be internal or external. Sense organs, such as the ear, and sensory receptors, such as those in the skin, are sensitive to external stimuli such as sound and touch.

What is a stimulus in biology quizlet?

Which of the following is an example of a reaction to a stimulus?

As humans, we detect and respond to stimulus in order to survive. For example, if you walk outside on a very sunny day, your pupils will constrict to protect your eye from taking in too much light and being damaged. Your body reacts to the stimulus (the light) to protect you.