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Chapter I
Biology, the science of living organisms
1
Biology – the science of life
Lessons 1
2
Laboratory safety and the signs of life
Lessons 2–3
3
How biology is studied
Lessons 4
4
The hand lens and the microscope
Lessons 5
5
The cell and onion-skin cells
Lessons 6–7
Chapter II
The diversity of living organisms
6
The worlds of living organisms, and viruses
Lessons 8
7
Bacteria and making yoghurt
Lessons 9–10
8
The world of fungi, and bread with yeast
Lessons 11–12
9
The plant world and the herbarium
Lessons 13–14
10
Lower plants – algae
Lessons 15
11
Higher plants
Lessons 16
12
A plant’s life cycle and houseplants
Lessons 17–18
13
Medicinal and poisonous plants
Lessons 19
14
The animal world
Lessons 20
15
Invertebrates and insect life cycles
Lessons 21–22
16
Vertebrates and the frog’s life cycle
Lessons 23–24
17
Human organ systems
Lessons 25
Chapter III
Organisms and their environment
18
Ecological factors and food chains
Lessons 26
19
Humans and nature; observing the school grounds
Lessons 27–28
20
Protecting nature and the final project
Lessons 29–30
☰ Contents · Biology
Grade 5
›
Biology
›
Week 5
The cell and onion-skin cells
Lessons 6–7 · 2 lessons · O‘. Pratov, A. To‘xtayev, F. Azimova, Z. Tillayeva. Biology, Grade 5. Revised and expanded 5th edition. “O‘zbekiston” publishing house, Tashkent, 2020
Lesson 6
Lesson 7
Quiz
8
Homework
5
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Week 5 · Homework
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