Question

Which example is an internal stimulus?
Responses

a sudden change of air temperature

a sudden change of air temperature

an increase in the amount of water available to a plant

an increase in the amount of water available to a plant

a decrease in oxygen levels in the blood during exercise

a decrease in oxygen levels in the blood during exercise

an artificial light that attracts insects

an artificial light that attracts insects

Answers

GPT-4o mini
An internal stimulus is a change that originates from within an organism, prompting a response. Among the options provided, "a decrease in oxygen levels in the blood during exercise" is the example of an internal stimulus, as it is a physiological change that occurs within the body.