Matching Pairs SU1.3. MATCH THE VITAL FUNCTIONS.Online version THE DIFFERENT VITAL FUNCTIONS IN LIVING THINGS by M. Dolores Rueda 1 ANIMALS USE THEM TO DETECT SOME STIMULI. 2 3 ASEXUAL REPRODUCTION OCCURS WHEN ONLY ONE ORGANISM IS REQUIRED. 4 5 6 ANY CHANGE IN THE ENVIRONMENT CANCAUSE A REACTION. ARE OBTAINED FROM THE ENVIRONMENT AND TRANSFORMED INTO ENERGY. THEY FEED ON THE REMAINS OF DEAD PLANTS AND ANIMALS. THEY CAN´T PRODUCE THEIR OWN FOOD.