This video lecture from Kingdom Animalia (F.Sc. First Year Biology) covers Phylum Annelida (segmented worms). Metameric segmentation, coelomate body plan, organs and organ systems, and reproduction in the phylum have been discussed in detail. Different classes of the phylum with representative members have also been elaborated. 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.