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Edexcel International GCSE Science Double Award (Modular) — Biology Unit 2

Edexcel International GCSE Science Double Award (Modular) — Biology Unit 2: 4…

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Edexcel International GCSE Science Double Award (Modular) — Biology Unit 2 course cover

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Unit 11. Structure and Functions in Living Organisms: Part 224 lessonsUnit 22. Reproduction and Inheritance28 lessonsUnit 33. Ecology and the Environment12 lessonsUnit 44. Use of Biological Resources15 lessons
✅ 100% free📱 Phone & laptop🧠 Short, clear lessons🎯 Instant feedback🧪 Virtual lab📈 Progress you can see👪 Easy for parents to follow📝 Exam-style practice✅ 100% free📱 Phone & laptop🧠 Short, clear lessons🎯 Instant feedback🧪 Virtual lab📈 Progress you can see👪 Easy for parents to follow📝 Exam-style practice
1

Structure and Functions in Living Organisms

24 lessons
  1. 1.1Unit 1 overview: Structure and Functions in Living Organisms: Part 2Free preview12 minStudy
  2. 1.2The Need for a Transport System12 minStudy
  3. 1.3Role of the Xylem and Phloem12 minStudy
  4. 1.4The Blood12 minStudy
  5. 1.5White Blood Cells and Immunity12 minStudy
  6. 1.6Structure and Function of the Heart12 minStudy
  7. 1.7Heart Rate and Exercise12 minStudy
  8. 1.8Risk Factors for Coronary Heart Disease12 minStudy
  9. 1.9Blood Vessels: Structure and Function12 minStudy
  10. 1.10Circulatory System: General Structure12 minStudy
  11. 1.11Excretion in Plants12 minStudy
  12. 1.12Excretion in Humans12 minStudy
  13. 1.13Response to Changes in the Environment12 minStudy
  14. 1.14Homeostasis12 minStudy
  15. 1.15Co-ordinating Response12 minStudy
  16. 1.16Response to Stimuli: Plants12 minStudy
  17. 1.17Nervous and Hormonal Control12 minStudy
  18. 1.18Human Nervous System12 minStudy
  19. 1.19Role of Neurotransmitters at Synapses12 minStudy
  20. 1.20Simple Reflex Arc12 minStudy
  21. 1.21The Human Eye: Structure12 minStudy
  22. 1.22The Human Eye: Function12 minStudy
  23. 1.23The Role of Skin in Temperature Regulation12 minStudy
  24. 1.24The Role of Hormones: Basic12 minStudy
2

Reproduction and Inheritance

28 lessons
  1. 2.1Unit 2 overview: Reproduction and Inheritance12 minStudy
  2. 2.2Sexual and Asexual Reproduction: Differences12 minStudy
  3. 2.3Gametes and Fertilisation12 minStudy
  4. 2.4Adaptations for Pollination12 minStudy
  5. 2.5The Process of Fertilisation in Plants12 minStudy
  6. 2.6Practical: Conditions for Germination12 minStudy
  7. 2.7Germinating Seeds12 minStudy
  8. 2.8Asexual Plant Reproduction12 minStudy
  9. 2.9Human Reproductive Systems12 minStudy
  10. 2.10Roles of Oestrogen and Progesterone in the Menstrual Cycle12 minStudy
  11. 2.11Role of the Placenta12 minStudy
  12. 2.12Amniotic Fluid12 minStudy
  13. 2.13Development of Secondary Sexual Characteristics12 minStudy
  14. 2.14The Genome and Genes12 minStudy
  15. 2.15Alleles12 minStudy
  16. 2.16Key Terms in Genetics12 minStudy
  17. 2.17Polygenic Inheritance12 minStudy
  18. 2.18Monohybrid Inheritance: Genetic Diagrams12 minStudy
  19. 2.19Family Pedigrees12 minStudy
  20. 2.20Sex Chromosomes12 minStudy
  21. 2.21Mitosis12 minStudy
  22. 2.22Meiosis12 minStudy
  23. 2.23Random Fertilisation and Genetic Variation12 minStudy
  24. 2.24Diploid vs Haploid12 minStudy
  25. 2.25Variation with a Species12 minStudy
  26. 2.26Mutation12 minStudy
  27. 2.27Darwin's Theory of Evolution by Natural Selection12 minStudy
  28. 2.28Antibiotic Resistance12 minStudy
3

Ecology and the Environment

12 lessons
  1. 3.1Unit 3 overview: Ecology and the Environment12 minStudy
  2. 3.2Population, Community, Habitat and Ecosystem12 minStudy
  3. 3.3Practical: Investigating Population Size12 minStudy
  4. 3.4Abiotic and Biotic Factors12 minStudy
  5. 3.5Trophic Levels12 minStudy
  6. 3.6Food chains, Food webs and Pyramids12 minStudy
  7. 3.7Transfers Along a Food Chain12 minStudy
  8. 3.8Carbon Cycle12 minStudy
  9. 3.9Biological Consequences of Air Pollution12 minStudy
  10. 3.10Greenhouse Gases12 minStudy
  11. 3.11Enhanced Greenhouse Effect12 minStudy
  12. 3.12Biological Consequences of Water Pollution12 minStudy
4

Use of Biological Resources

15 lessons
  1. 4.1Unit 4 overview: Use of Biological Resources12 minStudy
  2. 4.2Crop Plants: Glasshouses and Polythene Tunnels12 minStudy
  3. 4.3Crop Plants: Increasing Carbon Dioxide and Temperature12 minStudy
  4. 4.4Crop Plants: Fertiliser12 minStudy
  5. 4.5Crop Plants: Pest Control12 minStudy
  6. 4.6Yeast in Food Production12 minStudy
  7. 4.7Practical: Investigating Anaerobic Respiration in Yeast12 minStudy
  8. 4.8Role of Bacteria in Yoghurt Production12 minStudy
  9. 4.9Industrial Fermenters12 minStudy
  10. 4.10Selective Breeding in Plants12 minStudy
  11. 4.11Selective Breeding in Animals12 minStudy
  12. 4.12The Process of Genetic Modification12 minStudy
  13. 4.13Manufacturing Human Insulin12 minStudy
  14. 4.14GM Plants and Food Production12 minStudy
  15. 4.15Transgenic12 minStudy