The light would be best described as AN UNCONDITIONED STIMULUS.
An unconditioned stimulus refers to any stimulus which naturally evokes a response from the affected person. The response that is evoked is termed unconditioned response. In the question given above, the light is the unconditioned stimulus while the blinking is the unconditioned response.<span />
Food that has been subjected to the salivia and the many digestive juices of the GI tract is called Bolus.
The extra oxygen is used to restore muscle fibers to their pre-exercise state by doing all of the following except facilitating calcium release from the sarcoplasmic reticulum in the muscle fiber. Thus, the correct option is B.
<h3>What is Respiration?</h3>
Respiration may be defined as the process of acquiring oxygen from outside the body and utilizing it in the process of breakdown of food sources for cellular needs.
The extra oxygen works in the muscle fiber by replenishing the ATP, restocking the myoglobin, and supplying the ATP used to replenish glycogen stores in the muscle fiber.
Therefore, the correct option for this question is B.
To learn more about Respiration, refer to the link;
brainly.com/question/18169685
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The last one...the species is unable to reproduce in any habitat beyond a population of 300 individuals
