 Callyspongia plicifera (Azure vase sponge) http://commons.wikimedia.org/wiki/File:Callyspongia_plicifera_(Azure_vase_sponge).jpg | The organisms in this particular phylum is composed of choanocytes, flagellated feeding cells that trap food particles. They are aquiferous systems with external pores. These animals have high cellular mobility and totipotency. They can remold itself to fit its filter-feeding system. |
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