Which of the following is an incorrect statement? A. Digestive tracts have 2 openings, which allows food to move in 2 directions. B. Gastrovascular cavities have a single opening through which animals both ingest food and expel wastes. C. Extracellular digestion is the process in which food is broken down outside cells in a digestive system. D. Intracellular digestion happens when animals digest food inside specialized cells that pass nutrients to other cells by diffusion.

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