This video lecture from Kingdom Animalia (F.Sc. First Year Biology) covers Phylum Arthropoda (animals with jointed legs). Evolution, distribution, body plan, organs and organ systems, exoskeleton, molting, reproduction, metamorphosis, classification and economic importance of arthropods 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.