If you want to model something that is very large, how might you do it?

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms

yes, because even though a theory has a  lot of evidence to support it, it is not always true