What single-celled organism helps digest food?
What single-celled organism helps digest food? Some single-celled organisms, such as protista, sequester food particles in food vacuoles, where enzymes break them down. Simple multicellular organisms, such as hydra and flatworms, have one-opening digestive systems. They must digest the nutrients and expel the waste before eating anew. How are single-celled organisms helpful to humans? Some are dangerous to humans, but many are important to human health and the environment. Many unicellular organisms play an important role in recycling nutrients. They break down dead plant and animal material, releasing usable nutrients and carbon dioxide back into the environment. What is the...