Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.2.2.2 - The heart and blood vessels. Complete set of Chapter 2 Lectures are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 4.11B - Describe the stages in the nitrogen cycle, including the roles of nitrogen fixing bacteria, decomposers, nitrifying bacteria and denitrifying bacteria. Complete set of Chapter 6 Lessons are available.

Complete set of PDF worksheets for Edexcel IGCSE Biology (4BI0) Chapter 7 - Use of Biological Resources. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. All questions are original. Six worksheets included: 57 - Crop Production 58 - Microorganisms for Food 59 - Fish Farming 60 - Selective Breeding 61 - Genetic Modification 62 - Cloning

Companion PDF worksheet for Edexcel IGCSE Biology Lecture 57 - Crop Production. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Specification Point 5.1 - Describe how glasshouses and polythene tunnels can be used to increase the yield of certain crops. Specification Point 5.2 - Understand the effects on crop yield of increased carbon dioxide and increased temperature in glasshouses. Specification Point 5.3 - Understand how the use of fertiliser can increase crop yield. Specification Point 5.4 - Understand the reasons for pest control and the advantages and disadvantages of using pesticides and biological control with crop plants. Complete set of Chapter 7 Worksheets are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 5.5 - Understand the role of yeast in the production of food including bread. Specification Point 5.6 - Practical: investigate the role of anaerobic respiration by yeast in different conditions. Specification Point 5.7 - Understand the role of bacteria (Lactobacillus) in the production of yoghurt. Specification Point 5.8 - Understand the use of an industrial fermenter and explain the need to provide suitable conditions in the fermenter, including aseptic precautions, nutrients, optimum temperature and pH, oxygenation and agitation, for the growth of microorganisms. Complete set of Chapter 7 Lessons are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 5.17B - Describe the process of micropropagation (tissue culture) in which explants are grown in vitro. Specification Point 5.18B - Understand how micropropagation can be used to produce commercial quantities of genetically identical plants with desirable characteristics. Specification Point 5.19B - Describe the stages in the production of cloned mammals involving the introduction of a diploid nucleus from a mature cell into an enucleated egg cell, illustrated by Dolly the sheep. Complete set of Chapter 7 Lessons are available.

Companion PDF worksheet for Edexcel IGCSE Biology Lecture 53 - The Carbon Cycle. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Specification Point 4.10 - Describe the stages in the carbon cycle, including respiration, photosynthesis, decomposition and combustion. Complete set of Chapter 6 Worksheets are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.2.3.1 - Plant tissues. Specification Point 4.2.3.2 - Plant organ systems. Complete set of Chapter 2 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.6.1.1 - Sexual and asexual reproduction. Specification Point 4.6.1.2 - Meiosis. Specification Point 4.6.1.3 - Advantages and disadvantages of sexual and asexual reproduction. Complete set of Chapter 6 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.6.1.6 - Genetic inheritance. Specification Point 4.6.1.7 - Inherited disorders. Specification Point 4.6.1.8 - Sex determination. Specification Point 4.6.3.3 - The understanding of genetics. Complete set of Chapter 6 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.6.3.2 - Speciation. Specification Point 4.6.3.4 - Evidence for evolution. Specification Point 4.6.3.7 - Resistant bacteria. Complete set of Chapter 6 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.6.1.4 - DNA and the genome. Complete set of Chapter 6 Lectures are available.

Complete set of PDF worksheets for Edexcel IGCSE Biology (4BI0) Chapter 4 - Coordination and Control. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. All questions are original. Nine worksheets included: 27 - Excretion 28 - The Kidneys 29 - Coordination 30 - Coordination in Plants 31 - Coordination in Humans 32 - Reflexes and the Eye 33 - Controlling Body Temperature 34 - Hormones 35 - More Hormones

The complete Edexcel IGCSE Double Award Science (Biology) course from start to finish. Huge bundle of resources with every topic covered. Complete set of concise, modern presentations for Edexcel IGCSE Double Award Science (Biology) (4SD0). Contains colour coded specification points with handmade vector graphics. 46 presentations included: 1 - Characteristics of Living Organisms 2 - Variety of Living Organisms 3 - Organisation and Cell Structure 5 - Biological Molecules 6 - Food Tests 7 - Enzymes 9 - Movement Across Membranes 10 - Nutrition in Plants 11 - The Leaf 12 - Investigating Photosynthesis 13 - Human Nutrition 14 - The Digestive System 15 - Digestion and Absorption 17 - Respiration 19 - Ventilation 20 - The Alveoli and Lung Disease 21 - Transport Mechanisms 23 - The Blood 25 - The Heart 26 - The Circulatory System 27 - Excretion 29 - Coordination 30 - Coordination in Plants 31 - Coordnation in Humans 32 - Reflexes and the Eye 33 - Controlling Body Temperature 34 - Hormones 36 - Reproduction 37 - Reproduction in Plants 38 - Human Reproductive Systems and the Menstrual Cycle 40 - Pregnancy and Puberty 41 - DNA, Genes and Chromosomes 43 - Inheritance and Codominance 44 - Genetic Diagrams 45 - Cell Division 46 - Variation in a Species 48 - Evolution 49 - Ecosystems 50 - Biodiversity 51 - Biotic and Abiotic Factors 52 - Feeding Relationships 53 - The Carbon Cycle 55 - Pollution and Global Warming 57 - Crop Production 58 - Microorganisms for Food 60 - Selective Breeding 61 - Genetic Modification The separate award Biology course is also available for purchase.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 3.4.2 - DNA and protein synthesis. Complete set of Chapter 4 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 3.3.4.1 - Mass transport in animals. Complete set of Chapter 3 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 3.1.5.1 - Structure of DNA and RNA. Complete set of Chapter 1 Lectures are available.

Companion PDF worksheet for Edexcel IGCSE Biology Lecture 41 - DNA, Genes and Chromosomes. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Specification Point 3.14 - Understand that the genome is the entire DNA of an organism and that a gene is a section of a molecule of DNA that codes for a specific protein. Specification Point 3.15 - Understand that the nucleus of a cell contains chromosomes on which genes are located. Complete set of Chapter 5 Worksheets are available.