SS1: BIOLOGY - 3RD TERM
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Population Studies | Week 13 Topics|1 Quiz
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Ecological Factors | Week 27 Topics|1 Quiz
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Functioning Ecosystem I | Week 34 Topics
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Functioning Ecosystem II | Week 42 Topics|1 Quiz
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Relevance of Biology to Agriculture I | Week 52 Topics
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Relevance of Biology to Agriculture II | Week 63 Topics|1 Quiz
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Relevance of Biology to Agriculture III - Pest and Diseases of Agriculture Importance | Week 75 Topics|1 Quiz
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Relevance of Biology to Agriculture III | Week 84 Topics|1 Quiz
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Microorganisms Around Us | Week 91 Topic
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Microorganisms in Action | Week 106 Topics|1 Quiz
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Towards Better Health | Week 112 Topics|1 Quiz
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Habitats | Week 124 Topics
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Habitats II | Week 135 Topics|1 Quiz
Farming Practices & their Effects on The Ecosystems
Topic Content:
- Monocropping
- Mixed Cropping
- Mixed Farming
- Shifting Cultivation
- Pastoral Farming
- Crop Rotation
1. Monocropping:

It is the practice of growing one crop on a farm year after year
Advantages of Monocropping:
Farming efficiency.
(i) The crop is the same over the whole farm, therefore farming-management decisions are simplified.
(ii) Only the machinery necessary to maintain the crop needs to be purchased.
(iii) The seasonal work is predictable allowing scheduling of casual labour (e.g., harvesting) and contract machinery.
(iv) Maximises the financial return and minimises costs.
Disadvantages of Monocropping:
(i) It destroys the soil structure leading to soil erosion.
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