multiple choice question\nchanges in the environment, to which organisms respond, are called…

multiple choice question\nchanges in the environment, to which organisms respond, are called what?\nreceptors\neffectors\nstimuli\nsignals
Answer
Brief Explanations:
In biology, stimuli are changes in the environment that organisms respond to. Receptors detect stimuli, effectors produce a response, and signals are part of the communication within an organism related to responses.
Answer:
C. Stimuli