D. If you touch a hot object with your finger, you will move it quickly without thinking about it. This is a reflex action. 1. What is the stimulus in this reflex action?
2. What is the response in this reflex action?
3. What is the effector that causes this response?

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants.d- food molecules are broken down in the cells if living things.