A reflex is an automatic response to a stimulus. Humans use reflex actions in only some of their behaviour, for example controlling the eye's pupil size.
Simple reflexes produce rapid involuntary responses to a stimulus. This ensures that an animal responds in the way most likely to result in its survival.
- moving towards and finding food
- moving away and sheltering from predators
- moving towards and finding a mate
Simple animals use reflex actions for the majority of their behaviour. The disadvantage to using reflex actions most of the time is…