FSc Biology Book2, CH 25, LEC 1; Introduction Ecosystem and Ecology

This video lecture from Ecosystem (F.Sc. second year Biology) covers introduction about ecosystem. It also covers different level of organisation i.e. species, population, community, biome and biosphere. 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.