SS1 Biology 3rd Term
Energy Transformation in Nature
Sub topics:
Energy loss in ecosystem
Laws of thermodynamics
Application of laws of thermodynamics to ecological phenomenon
Food chain
Learning objectives: By the end of this lesson, students should be able to:
State five forms of energy (source: B1-02 Pg 37)
Describe why living organisms are regarded as energy converters and how this energy conversion leads to energy loss (source: B1-02 Pg 40)
Relevance of Biology to Agriculture
Sub topics:
Classification of plants
Botanical classification
Agricultural classification
Classification based on life cycle, e.g. annual, biennial and perenials
Learning objectives: By the end of this lesson, students should be able to:
List the three common ways of classifying plants.
Mention three groups of plants under botanical classification.
Differentiate between the three plant groups under botanical classification.
Effects of Agricultural activities on ecological systems
Sub topics:
Effects of bush burning, tillage, fertilizers, herbicides and pesticides applications
Effects of different types of farming methods on ecosystems
Learning objectives: By the end of this lesson, students should be able to:
State three consequences of bush burning. (source: B1-02 Pg 68)
List two effects for each of the following farming systems on the ecosystem: shifting cultivation; mono cropping. (source: B1-02 Pg 70)
Pests and diseases of Agricultural importance
Sub topics:
Definition and types of pests
Life cycle of pests
Control of pests
Disease – types of diseases
Learning objectives: By the end of this lesson, students should be able to:
Define pest and list two types of pests. (source: B1-02 Pg 72)
Describe the life cycle of Yam Beetle with the aid of a well labelled diagram (source: B1-02 Pg 72)
List and discuss four methods of pest control (source: B1-02 Pg 73)
Food production and storage
Sub topics:
Role of government in agricultural production
Factors affecting production and storage
Ways of improving crop yields
Causes of wastage
Methods of preserving and storing food
Learning objectives: By the end of this lesson, students should be able to:
Highlight five roles of government in agricultural production.
State and describe two factors affecting production and storage.
List three causes of food wastage.
Population growth and food supply
Sub topics:
Relationship between availability of food and human population
Effects of food shortage
Government efforts to increase food production, e.g. agricultural resolution
Learning objectives: By the end of this lesson, students should be able to:
Describe how food availability relates with human population (source: B1-02 Pg 87)
Mention three effects of food shortage (source: B1-02 Pg 87)
List five steps taken by government to increase food production. (source: B1-02 Pg 87)
Mid-Term Revision and Test
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