American Museum of Natural History - Sponges (phylum Porifera) are among the simplest of animals. They have no true organs or tissues, just reproductive, feeding, and skeleton-building cells. They are hollow, taking
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Sponges Lecture Notes - Sponges -Phylum Porifera Metazoa: Parazoa (beside) and Eumetazoa (true) - Studocu
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KINGDOM? Purple Tube Sponge ANIMALIA. PHYLUM? PORIFERA “Porifera” means? “Pore- bearer” - ppt download
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