Lesson 20 of 36 • 10 upvotes • 9:15mins
Phosphorus cycle,
36 lessons • 5h 42m
Course Overview (in Bengali)
4:28mins
Introduction Of Ecology, Part-1 (in Bengali)
10:14mins
Introduction of Ecology, Part-2 (in Bengali)
10:41mins
Population Interaction, Part-1 (in Bengali)
11:37mins
Population Interaction, Part-2 (in Bengali)
11:14mins
Population Interaction, Part-3
6:57mins
Population Interaction, Part-4
7:47mins
Ecosystem, Part-1
7:23mins
Ecosystem, Part-2
5:10mins
Ecosystem, Part-3
7:48mins
Ecosystem, Part-4
11:12mins
Ecosystem, Part-5
7:45mins
Ecosystem, Part-6
8:23mins
Ecosystem Productivity and Food Chain, Part-1
13:06mins
Ecosystem Productivity and Food Chain, Part-2
9:17mins
Ecological Pyramids, Part-1
9:29mins
Ecological Pyramids, Part-2
9:47mins
Nutrient Cycle,Part-1
10:07mins
Nutrient Cycle,Part-2
7:13mins
Nutrient Cycle, Part-3
9:15mins
Biodiversity, Part-1
11:43mins
Biodiversity,Part-2
14:58mins
Conservation of Biodiversity,Part-1
12:29mins
Conservation of Biodiversity,Part-2
7:30mins
Biodiversity Act,Part-1
6:20mins
Biodiversity Act,Part-2
7:23mins
Biomes
7:11mins
Green House Effect
10:43mins
GREEN HOUSE GASES
10:06mins
Ozone Depletion
8:19mins
Pollution
12:02mins
Air Pollution
10:09mins
Water Pollution
12:11mins
Soil Pollution,Noise Pollution
11:24mins
Radio Active Pollution
12:25mins
Renewable Energy
8:52mins