This video lecture from Kingdom Animalia (F.Sc. First Year Biology) covers Phylum Porifera (the pore bearing animals). Body structure, cell types, skeleton, feeding behavior, reproduction and examples of phylum Porifera have been discussed in detail. Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab.