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Why are sponges called filter feeders?


Ram Mohan Nayak 17th Mar, 2019
Answer (1)
masteranshu27 17th Mar, 2019
Sponges (Poriferans) receive (incoming) food particles with the help of collar cells (choanocytes). These collar cells or choanocytes are surrounded by microvilli which filter the incoming food particles. Therefore, sponges/Poriferans are called filter feeders.

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