New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019
Section 2a Levels of organisation
2.1 describe the levels of organisation in organisms: organelles, cells, tissues, organs and
systems
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New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019
Section 2b Cell Structure
2.2 describe cell structures, including the nucleus, cytoplasm, cell membrane, cell wall,
mitochondria, chloroplasts, ribosomes and vacuole
2.3 describe the functions of the nucleus, cytoplasm, cell membrane, cell wall,
mitochondria, chloroplasts, ribosomes and vacuole
2.4 know the similarities and differences in the structure of plant and animal cells
2.5B explain the importance of cell differentiation in the development of
specialised cells
2.6B understand the advantages and disadvantages of using stem cells in
medicine
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New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019
Section 2e Nutrition - Flowering Plants
2.18 understand the process of photosynthesis and its importance in the conversion of
light energy to chemical energy
2.19 know the word equation and the balanced chemical symbol equation for
photosynthesis
2.20 understand how varying carbon dioxide concentration, light intensity and temperature
affect the rate of photosynthesis
2.21 describe the structure of the leaf and explain how it is adapted for photosynthesis
2.22 understand that plants require mineral ions for growth, and that magnesium ions are
needed for chlorophyll and nitrate ions are needed for amino acids
2.23 practical: investigate photosynthesis, showing the evolution of oxygen from a water
plant, the production
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New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019
Section 2f Respiration
2.34 understand how the process of respiration produces ATP in living organisms
2.35 know that ATP provides energy for cells
2.36 describe the differences between aerobic and anaerobic respiration
2.37 know the word equation and the balanced chemical symbol equation for aerobic
respiration in living organisms
2.38 know the word equation for anaerobic respiration in plants and in animals
2.39 practical: investigate the evolution of carbon dioxide and heat from respiring seeds or
other suitable living organisms
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New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019
Section 2g Gas Exchange - Humans
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New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019
Section 2g Gas Exchange - Flowering Plants
New and updated resource for IGCSE 9-1- More practical pages, updated design, concept checker and exam style question for each topic.
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New Edexcel IGCSE 9-1 4BI1 syllabus for 2017
Section 2h - Transport - Flowering Plants
2.51 Understand why simple, unicellular organisms can rely on diffusion for movement of substances in and out of the cell.
2.52 Understand the need for a transport system in multicellular organisms.
2.53 Describe the role of phloem in transporting sucrose and amino acids between the leaves and other parts of the plant.
2.54 Describe the role of xylem in transporting water and mineral ions from the roots to other parts of the plant.
2.55B Understand how water is absorbed by root hair cells.
2.56B Understand that transpiration is the evaporation of water from the surface of a plant.
2.57B Understand how the rate of transpiration is affected by changes in humidity, wind speed, temperature and light intensity.
2.58B Practical: investigate the role of environmental factors in determining the rate of transpiration from a leafy shoot.
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New Edexcel IGCSE 9-1 4BI1 syllabus for 2017
Section 2h - Excretion - Flowering Plants
•2.70 Understand the origin of carbon dioxide and oxygen as waste products of metabolism and their loss from the stomata of a leaf.
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New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019
Section 2j Coordination and Response - Flowering Plants
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New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019
Section 2j Coordination and Response - Humans
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