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