Matching Pairs Nutrition in invertebratesOnline version Match each word with its corresponding definition. by Gabriel Mantilla 1 Complete digestive system 2 Animals with intracellular digestion 3 Animals with extracellular digestion 4 Incomplete digestive system 5 Intracellular digestion 6 Digestion without a digestive tract 7 Extracellular digestion porifera Consists of a digestive tract with two openings. One opening is the mouth. The other is the anus. Most of animals have this type of digestion. Refers to nutrient processing and absorption that occurs inside of cells. It occurs in animals without digestive system Consists of a digestive cavity with one opening. The single opening serves as both mouth and anus. Cnidaria and platyhelminthes have this type of digestion. Refers to the breaking down of materials into smaller, absorbable components that takes place outside the cell. It occurs in animals with digestive system. planarian arthropoda mollusks annelids Food items are brought into the cell for digestion. Sponges have this type of digestion.
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