This video lecture from Introduction (F.Sc. first year Biology) covers: ‘Living World in Space', 'Living World in Time' and Phyletic Lineage. As the population of the world increases so is the diversity, hence it is important to study living organisms on the basis of Space (Biomes) and Time (geological time period) in order to understand the complete Phyletic Lineage. 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.