FSc Biology Book2, CH 25, LEC 5: Biogeochemical Cyscles (Nitrogen Cycle) and Flow of Energy in ecosystem

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This video lecture from Ecosystem (F.Sc. second year Biology) covers information about biogeochemical cycle and nitrogen cycle in details. It also include information about flow of energy in an ecosystem between different trophic levels. 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.