विच स्पेशल सेल सर प्रेजेंट इन द बॉडी ऑफ फॉर्म्स डेट इस पॉरिफेरा
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Sponges, the members of the phylum Porifera (/pəˈrɪfərə/; meaning "pore bearer"), are a basal Metazoa (animal) clade as a sister of the Diploblasts. ... Sponges have unspecialized cells that can transform into other types and that often migrate between the main cell layers and the mesohyl in the process.
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