external digestion

What Is External Digestion?

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What Is External Digestion? External digestion is when the bacteria secretes digestive enzymes to break down the food outside of the “body” and then it sucks it up! What animals use extracellular digestion? Extracellular digestion is a form of digestion found in all saprobiontic annelids, crustaceans, arthropods, lichens and chordates, including vertebrates. Do animals have

Do Animals Have External Digestion?

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Do Animals Have External Digestion? Do animals have external digestion? Food is moved through the gut by cilia and/or by muscular contractions. Digestion is primarily extracellular, although some species show an intracellular component as well. Do animals digest internally or externally? Most multicellular animals possess some sort of digestive cavity—a chamber opening to the exterior