Man And His Environment

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    Chapter 7 Man And His Environment ( 30 videos)  (Practice Test)

      7.1: Introduction (Practice Test)
      Ecology
    1. Ecology
      2941 views
      7.2: Levels of Ecological Organization (Practice Test)
      Ecology, Biosphere, Ecosystems, Community, Population
    1. Ecology, Biosphere, Ecosystems, Community, Population
      4805 views
      2. Components of Ecosystem
    2. Components of Ecosystem
      5633 views
      3. Abiotic Components
    3. Abiotic Components
      2977 views
      4. Abiotic Components (Temperature and Water)
    4. Abiotic Components (Temperature and Water)
      1520 views
      5. Abiotic Components (Fire, Atmosphere and Wind)
    5. Abiotic Components (Fire, Atmosphere and Wind)
      1598 views
      6. Biotic Components
    6. Biotic Components
      1793 views
      7. Types of Consumers
    7. Types of Consumers
      681 views
      7.3: Energy Flow In An Ecosystem As A Non-Cyclic Process (Practice Test)
      Flow of Energy
    1. Flow of Energy
      3628 views
      7.4: Flow of Material In An Ecosystem As Cyclic Process (Practice Test)
      Flow of Materials
    1. Flow of Materials
      2365 views
      2. Ecological Pyramids
    2. Ecological Pyramids
      3570 views
      3. Ecological Pyramids of Biomass
    3. Ecological Pyramids of Biomass
      4800 views
      4. Ecological Pyramids of Number
    4. Ecological Pyramids of Number
      2412 views
      7.5: Biogeochemical Cycles (Practice Test)
      Carbon Cycle
    1. Carbon Cycle
      9649 views
      2. The Nitrogen Cycle
    2. The Nitrogen Cycle
      3905 views
      3. Assimilation and Denitrification
    3. Assimilation and Denitrification
      2685 views
      7.6: Interaction In The Ecosystem (Practice Test)
      Competition
    1. Competition
      2. Parasitism
    2. Parasitism
      2517 views
      3. Symbiosis
    3. Symbiosis
      3557 views
      4. More on Symbiosis
    4. More on Symbiosis
      1817 views
      7.7: Ecosystem Balance And Human Impact
      Human Impact on Environment
    1. Human Impact on Environment
      7.8: Population Growth (Practice Test)
      Deforestation, Soil Erosion
    1. Deforestation, Soil Erosion
      2459 views
      2. Overpopulation, Urbanization
    2. Overpopulation, Urbanization
      1238 views
      3. Global Warming
    3. Global Warming
      1378 views
      4. Acid Rain
    4. Acid Rain
      1480 views
      7.9: Pollution (Practice Test)
      Air Pollution
    1. Air Pollution
      2761 views
      2. Water Pollution
    2. Water Pollution
      2644 views
      3. Land Pollution
    3. Land Pollution
      3544 views
      7.10: Conservation Of Nature (Practice Test)
      3 R, Reduce, Reuse and Recycle
    1. 3 R, Reduce, Reuse and Recycle
      1261 views
      2. Conservation of Biodiversity, Endangered Species in Pakistan
    2. Conservation of Biodiversity, Endangered Species in Pakistan
      4067 views