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Question
The complete digestive cavity is absent in
The complete digestive cavity is absent in
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Solution
The correct option is A Cnidaria
Cnidarians do not possess digestive cavity. Tentacles are used to gather food. The gastrovascular cavity functions in food distribution and digestion; gastrodermis lines the cavity and has glands that secrete proteases. Nutritive muscular cells form pseudopods that engulf partially digested food and transport them to vacuoles, where final digestion takes place.
Cnidarians do not possess digestive cavity. Tentacles are used to gather food. The gastrovascular cavity functions in food distribution and digestion; gastrodermis lines the cavity and has glands that secrete proteases. Nutritive muscular cells form pseudopods that engulf partially digested food and transport them to vacuoles, where final digestion takes place.
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