Phylum Porifera is the simplest and is considered the most primitive of the multicellular animals.
The word "Porifera" is derived from Latin.Porus means "pore" and ferra means "to bear".So,the Poriferas are pore-bearing animals,commonly called the
All Poriferas are aquatic.Out of total 5000 species,150 species live in fresh water while all others are marine.
The Poriferas range in size from few millimeter wide to more than one meter tall.They are macroscopic i.e., can be seen with naked eye."Scolymastra joubini"-a barrel like glass sponge of An…
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