Man and His Environment

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    Chapter 16: Man and His Environment (23 videos)   (Practice Test)

      16.1: Levels of Ecological Organization (Practice Test)
      Ecology, Community, Population, Ecosystems , Biosphere
    1. Ecology, Community, Population, Ecosystems , Biosphere
      4805 views
      2. Components of Ecosystem
    2. Components of Ecosystem
      5633 views
      16.2: Flow of Materials and Energy in Ecosystem (Practice Test)
      Flow of Energy
    1. Flow of Energy
      3628 views
      2. Flow of Materials
    2. Flow of Materials
      2365 views
      3. Ecological Pyramids
    3. Ecological Pyramids
      3570 views
      4. Ecological Pyramids Number
    4. Ecological Pyramids Number
      2412 views
      5. Ecological Pyramids Biomass
    5. Ecological Pyramids Biomass
      4800 views
      6. Biogeochemical Cycles, Carbon Cycle
    6. Biogeochemical Cycles, Carbon Cycle
      9649 views
      7. Nitrogen Cycle, Formation of Nitrates
    7. Nitrogen Cycle, Formation of Nitrates
      3905 views
      8. Assimilation and Denitrification
    8. Assimilation and Denitrification
      2685 views
      16.3: Interactions in Ecosystems (Practice Test)
      Competition
    1. Competition
      2. Predation , Parasitism and Its Significance
    2. Predation , Parasitism and Its Significance
      2517 views
      3. Symbiosis
    3. Symbiosis
      3557 views
      4. More on Symbiosis
    4. More on Symbiosis
      1817 views
      16.4: Ecosystem Balance and Human Impact (Practice Test)
      Global Warming
    1. Global Warming
      1378 views
      2. Acid Rain
    2. Acid Rain
      1480 views
      3. Deforestation, Soil Erosion
    3. Deforestation, Soil Erosion
      2459 views
      4. Overpopulation, Urbanization
    4. Overpopulation, Urbanization
      1238 views
      16.5: Pollution; Consequences and Control (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
      16.6: Conservation Of Nature (Practice Test)
      3 R, Reduce, Reuse and Recycle
    1. 3 R, Reduce, Reuse and Recycle
      1261 views
      2. Basic Information about Dengue Fever
    2. Basic Information about Dengue Fever
      598 views