Question: what are the 5 main functions of animals?
Answer: Feeding. Herbivore. ... 
Respiration. Takes in O2 and gives of CO. ... 
Circulation. Very small animals rely on diffusion. ... 
Excretion. Primary waste product is ammonia. ... 
Response. Receptor cells=sound, light, external stimuli. ... 
Movement. Most animals are motile. ... 
Reproduction. Most reproduce sexually=genetic diversity.