Response to sign stimuli, or releasers, is generally based upon which of the following?

a. a few isolated features of the stimulus

b. how realistic the stimulus is

c. how colorful the stimulus is

Releasers. is a Species-typical behaviors and it is basically often triggered by specific stimuli in the environment.

The stimulus is that triggers an action

Response to sign stimuli, or releasers, is generally based upon

. a few isolated features of the stimulus

so correct option is A