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The path of water in a sponge isA. Dermal ostia `to` Gastral ostia ` to ` OsculumB. Dermal ostia ` to ` Gastral ostia `to ` spongocoel ` to` OsculumC. Osculum ` to ` Spongocoel ` to ` Choanocytes ` to ` OstiaD. Pinacocytes `to ` Choanocytes `to` Enteron ` to ` Osculum |
| Answer» Correct Answer - A | |