Porifera
Sponges, the members of the phylum Porifera, are a basal animal clade as a sister of the diploblasts.They are multicellular organisms that have bodies full of pores and channels allowing water to circulate through them, consisting of jelly-like mesohyl sandwiched between two thin layers of cells.

Porifera (4530)
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Porifera (4520)
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Porifera (4510)
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