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SS1: BIOLOGY - 3RD TERM

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  1. Population Studies | Week 1
    3 Topics
    |
    1 Quiz
  2. Ecological Factors | Week 2
    7 Topics
    |
    1 Quiz
  3. Functioning Ecosystem I | Week 3
    4 Topics
  4. Functioning Ecosystem II | Week 4
    2 Topics
    |
    1 Quiz
  5. Relevance of Biology to Agriculture I | Week 5
    2 Topics
  6. Relevance of Biology to Agriculture II | Week 6
    3 Topics
    |
    1 Quiz
  7. Relevance of Biology to Agriculture III - Pest and Diseases of Agriculture Importance | Week 7
    5 Topics
    |
    1 Quiz
  8. Relevance of Biology to Agriculture III | Week 8
    4 Topics
    |
    1 Quiz
  9. Microorganisms Around Us | Week 9
    1 Topic
  10. Microorganisms in Action | Week 10
    6 Topics
    |
    1 Quiz
  11. Towards Better Health | Week 11
    2 Topics
    |
    1 Quiz
  12. Habitats | Week 12
    4 Topics
  13. Habitats II | Week 13
    5 Topics
    |
    1 Quiz
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Topic Content:

  • Bush Clearing
  • Bush Burning
  • Tillage
  • Fertilizer and Pesticide Application

Agricultural practices produce more than just crops. They produce environmental impacts that affect a wide range of ecological systems and services including water quality, biodiversity conservation, nutrient cycling, soil retention, etc. 

Bush Clearing:

Bush clearing impacts the environment significantly, whether it is a small-scale or large-scale clearance.

i. It destroys the natural habitats of animals.

ii. The removal of plant cover exposes the soil to agents of erosion.

iii. It removes soil plant cover.

iv. Exposed organisms may be displaced or washed away to other places.

 

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