Question

Sara allows her dog, isabel, to run freely at a local park. as isabel is chased by several other dogs, sara notices that isabel’s hair rises up along her spine. isabel’s response illustrates ____.

Answer 1

 Isabel’s response illustrate a  reflex. A reflex is an automatic or programmed, activity that your body does because of something — without you notwithstanding thinking about it. You don't choose to kick your leg, it just kicks. There are many sorts of reflexes and each sound individual has them.