Grade 10 - Biology - WeLearn.et

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Unit 1: Sub-fields of Biology 5 Topics

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1.1 Sub-fields of Biology

1.2 Pure and applied fields of biology

1.3 Major discoveries that revolutionized biology

1.4 The contributions of biological discoveries to society and the environment

1.5 Ethiopian biologists and their contributions

Unit 2: Plants 24 Topics

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2.1 Characteristics of plants

2.2 Flowering and non-flowering plants

2.3 Structure and function of plant parts

2.3.1 The internal structure of a leaf

2.3.2 The internal structure of a stem

2.3.3 The internal structure of a root

2.4 Reproduction in plants

2.4.2 Reproductive structure and life cycle of flowering plants

2.4.3 Pollination

2.6 Seed dispersal and germination

2.6.1 Seed dispersal

2.6.2 Germination of seed

2.7 Photosynthesis

2.7.1 The photosynthetic apparatus

2.7.2 The light-absorbing system in chloroplast

2.7.3 Mechanism of photosynthesis

2.7.4 Testing a leaf for starch

2.8 Transport in plant

2.8.1 Transporting systems in plants

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Unit 3: Biochemical Molecules 4 Topics

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3.1 Biochemical Molecules

3.1.1 Inorganic molecule: Water

3.1.2 Inorganic ions

3.1.3 Organic molecules

Unit 4: Cell Reproduction 7 Topics

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4 Cell Reproduction

4.2 The Cell division

4.2.3 Differences Between Mitosis and Meiosis

4.3 Renowned Ethiopian Geneticist

Unit 5: Human Biology 9 Topics

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5 Human Biology

5.1 The Digestive System

5.2 The circulatory and lymphatic system

5.2.1 Blood Donation

5.2.2 Diseases of the circulatory and lymphatic systems

5.3 The breathing system

5.4 The Human Urinary system

5.5 The immune system

5.6 Renowned Physicians in Ethiopia

Unit 6: Ecological Interaction 7 Topics

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6.1 Trophic Levels

6.1.1 Food chain and food web

6.1.2 Flow of energy and matter through ecosystem

6.2 Cycling of Materials in an Ecosystem

6.2.1 Carbon cycle

6.2.2 Nitrogen cycle

6.2.4 Phosphorus cycle

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