Phylum Porifera -

เว็บไซต์ porifera 1 Phylum Porifera 2 Phylun Coelenterata 3 Platyhelminthes 4 Nematoda 5 Phylum Annelida 6 Phylum Mollusca porifera Porifera definition: an animal phylum comprising the sponges See examples of PORIFERA used in a sentence

porifera Phylum Porifera includes organisms that lack specialized digestive, nervous, and respiratory systems These organisms have a radial symmetry, do  Porifera have no internal organs, nervous tissue, circulatory system, or digestive systems, making them the most primitive of the multi-cellular  Sponge, any of the primitive multicellular aquatic animals that constitute the phylum Porifera They number approximately 5000 described species and inhabit

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