A great video lecture conducted by experienced biology teacher on 12th class biology chapter 25 topic1 processes in ecosystem and interaction. Get full understanding or ask any questions.
Processes in Ecosystem and Interaction, ch 25, lec 2, Processes in Ecosystem and Interaction - Inter Part 2 Biology
10:51
Biosphere Niche Ecology, ch 25, lec 2, Processes in Ecosystem and Interaction - Inter Part 2 Biology
10:16
