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