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SS3: BIOLOGY - 1ST TERM

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  1. Regulation of Internal Environment I | Week 1
    6 Topics
    |
    1 Quiz
  2. Regulation of Internal Environment II | Week 2
    4 Topics
    |
    1 Quiz
  3. Regulation of Internal Environment III | Week 2 (Contd)
    3 Topics
    |
    1 Quiz
  4. Nervous Coordination I | Week 3
    2 Topics
    |
    1 Quiz
  5. Nervous Coordination II | Week 4
    4 Topics
    |
    1 Quiz
  6. Sense Organs I | Week 5
    6 Topics
    |
    1 Quiz
  7. Sense Organs II | Week 6
    3 Topics
    |
    1 Quiz
  8. Ecology of Population | Week 7
    3 Topics
    |
    1 Quiz
  9. Balance in Nature | Week 8
    3 Topics
    |
    1 Quiz
  10. Reproductive Systems and Reproduction in Man I | Week 9
    4 Topics
    |
    1 Quiz
  11. Reproductive Systems and Reproduction in Man II | Week 10
    3 Topics
    |
    1 Quiz
  12. Development of New Seeds | Week 11
    4 Topics
    |
    1 Quiz
  13. Fruits | Week 12
    3 Topics
    |
    1 Quiz



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Topic Content:

  • Causes of Food Shortage
  • Effects of Food Shortage

In all habitats, plants are primary producers, they manufacture their own food through the process of photosynthesis. They provide food for animals either directly or indirectly.

Causes of Food Shortage:

The following factors are responsible for food shortage in a habitat:

 

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