Lesson 12 of 12 • 2 upvotes • 11:23mins
A brief account of water pollution. Biomegnefication BOD Eutrophication
12 lessons • 2h 38m
Introduction of Ecology and Succession
14:58mins
Ecosystem
12:14mins
Biotic Factors of Ecosystem part 1
14:03mins
Abiotic Factors of Ecosystem
14:35mins
Biodiversity and Conservation
14:35mins
Interactions- Positive
13:23mins
Interactions - Negative
14:34mins
Abiotic component of ecosystem part 1
13:19mins
Abiotic factors of ecosystem part 2
11:22mins
Biotic factors of ecosystem part 2
12:23mins
Pollution and It's types part 1
11:49mins
Pollution part 2
11:23mins