Class 12 Biology Ecosystem

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Topics in this lesson

Part 1 (Introduction)

Part 2 (Types)

Part 3 (Components : Producers)

Part 4 (Components : Consumers)

Part 5 (Components : Decomposers)

Part 6 (Primary and Secondary Productivity)

Part 7 (Gross and Net primary productivity)

Part 8 (Decomposition Rate)

Part 9 (Fragmentation Leaching Humification Mineralization)

Part 10 (Decomposition Cycle)

Part 11 (Energy Flow)

Part 12 (Level of consumers)

Part 13 (Food Chain : Trophic levels)

Part 14 (Lindemann law Standing Crop)

Part 15 (Energy flow through Trophic levels)

Part 16 (Ecological Pyramids: Pyramids of number Biomass Energy)

Part 17 (Ecological Pyramid Limitation)

Part 18 (Ecological Succession)

Part 19 (Succession in Plants)

Part 20 (Nutrient cycling : gaseous and sedimentary cycle)

Part 21 (Carbon Cycle)

Part 22 (Phosphorus Cycle)

Part 23 (Question 1)

Part 24 (Question 2)