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Sponges (Phylum: Porifera) Are Animals That Possess Feeding Cells Called

Question 16

Multiple Choice

Sponges (phylum: Porifera) are animals that possess feeding cells called collar cells.These cells have a central flagellum surrounded by a collar of microvilli.The collar filters organic matter out of the water column.Which protist shares a more recent common ancestor with the poriferans?


A) Ciliates
B) Rhodophyta
C) Choanoflagellates
D) Radiolarians

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