Labels:bulletin board | web site OCR: PORIFERA Sponges the beating of microscopic hairlike tentacles of cilia. This flow of water provides con- stant source of organic materi- al and oxygen on which the cells of the sponge live The basket sponges of the Caribbean, usually brown color, can grow to truly prodi- gious sizes -large enough fact, to hold a scuba diver! The tube sponges are typically col- ored yellow orange and can grow to several feet in Jength. 20F3 vellow length
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