IGNOU BZYCT 131 2026 - Describe canal system in Porifera.

Question

Describe canal system in Porifera.

31 Jan 2026

Answer :

Word Count : 457

Porifera, commonly known as sponges, are simple, multicellular animals that belong to the phylum Porifera. One of the most notable features of sponges is their unique canal system, which is essential for their feeding, respiration, and excretion processes. The canal system is a highly specialized structure that allows sponges to filter water, trapping food particles and facilitating gas exchange. It varies in complexity, depending on the type of sponge, and can be broadly categorized into three types: asconoid, syconoid, and leuconoid. In the simplest form, the asconoid system is found in

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