Multiple choice

What is the correct order of events in a negative feedback loop?

  1. sensor, integrator, response

  2. stimulus, effector, integrator, sensor, response

  3. stimulus, sensor, integrator, effector, response

  4. sensor, response
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A negative feedback loop begins with a stimulus (a change in the environment), which is detected by a sensor. The sensor sends this information to an integrator (control center), which directs an effector to produce a response that counteracts the initial stimulus.

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