Grade 9 - Biology - WeLearn.et

Course Content

Unit 1: Introduction to Biology 10 Topics

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1.1 Definition of Biology

1.2 Why do we study Biology?

1.3. The Scientific Method

1.4. Tools of a Biologist

1.4.1. Laboratory tools of biologist

1.4.2. Field tools

1.5. The Light Microscope

1.5.1. The parts and function of the light microscope

1.5.2 Handling and using a light microscope

1.6. General Laboratory Safety Rules

Unit 2: Characteristics and Classification of Organisms 14 Topics

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2.1 Characteristics of living things

2.2 Taxonomy of living things

2.2.1 Principles of classification

2.2.2. Taxonomic hierarchies in biological classification

2.3 Relevance of classification

2.4 Linnaean system of nomenclature

2.5 Common Ethiopian animals and plants

2.6 The five-kingdom system of classification

2.6.1. Kingdom Monera

2.6.2. Kingdom Protista

2.6.3. Kingdom Fungi

2.6.4. Kingdom Plantae

2.6.5 Kingdom Animalia

2.7 Renowned Taxonomists in Ethiopia

Unit 3: Cells 10 Topics

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3.1. What is a cell?

3.2. Cell theory

3.3. Cell structure and function

3.4 Types of cells

3.5. Animal and plant cells

3.6 Observing cells under a microscope

3.7 The cell and its environment

3.7.1 Passive transport

3.7.2 Active transport

3.8. Levels of Biological Organization

Unit 4: Reproduction 15 Topics

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4.1 Introduction to reproduction

4.2 Asexual reproduction

4.3 Types of asexual reproduction

4.3.2 Fragmentation

4.3.4 Vegetative propagation

4.4 Sexual reproduction in Humans

4.5 Primary and secondary sexual characteristics

4. 6 Male reproductive structures

4.7. Female reproductive structures

4.8 The Menstrual cycle

4.9 Fertilization and pregnancy

4.10 Methods of birth control

4.11 Sexually transmitted infections (STIs): Transmission and prevention

Unit 5: Human Health, Nutrition, and Disease 11 Topics

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5.1 What is food?

5.4 Balanced diets

5.5 Deficiency diseases

5.6 Malnutrition

5.7. Substance abuse

5.8. Infectious and noninfectious diseases

5.8. 1. Infectious diseases

5.8. 2 Non-infectious diseases

5.9 Renowned Nutritionists in Ethiopia

Unit 6: Ecology 8 Topics

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6.1.1 Definitions of Ecological Terms

6.1.2. Biotic and abiotic components

6.1.3.Ecological levels

6.1.4. Ecosystems

6.1.6 Ecological succession

6.2 Ecological relationships

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