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   ocr: SENSITIVITY Tackoune danger and to find slowly, growing, for example, toward best conditions for life, a stimulus such as light. Light, sounds, living things must be able to detect chemicals, touch, and temperature changes in their surroundings and react changes are all examples of stimuli. to them. This is sensitivity. Animals usually react quickly because they have sense organs (such as eyes) to receive REACTING information, and nervous systems to TO FOOD carry information. Plants react more Tentacles Body of anemone Rock Sea anemones All animals, even simple SEE ones, react to stimuli. EYES ...