Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.7.3.6 - Maintaining biodiversity. Complete set of Chapter 7 Lectures are available.

Companion PDF worksheet for Edexcel IGCSE Biology Lecture 1 - Characteristics of Living Organisms.. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Covers the following in a modern, concise format: Specification Point 1.1 - Understand how living organisms share certain characteristics. Complete set of Chapter 1 Worksheets are available.

Companion PDF worksheet for Edexcel IGCSE Biology Lecture 6 - Food Tests. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Specification Point 2.9 - Practical: Investigate food samples for the presence of glucose, starch, protein and fat. Complete set of Chapter 1 Worksheets are available.

Companion PDF worksheet for Edexcel IGCSE Biology Lecture 61 - Genetic Modification. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Specification Point 5.12 - Understand how restriction enzymes are used to cut DNA at specific sites and ligase enzymes are used to join pieces of DNA together. Specification Point 5.13 - Understand how plasmids and viruses can act as vectors, which take up pieces of DNA, and then insert this recombinant DNA into other cells. Specification Point 5.14 - Understand how large amounts of human insulin can be manufactured from genetically modified bacteria that are grown in a fermenter. Specification Point 5.15 - Understand how genetically modified plants can be used to improve food production. Specification Point 5.16 - Understand that the term transgenic means the transfer of genetic material from one species to a different species. Complete set of Chapter 7 Worksheets are available.

Companion PDF worksheet for Edexcel IGCSE Biology Lecture 59 - Fish Farming. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Specification Point 5.9B - Understand the methods used to farm large numbers of fish to provide a source of protein, including maintaining water quality, controlling intraspecific and interspecific predation, controlling disease, removing waste products, controlling the quality and frequency of feeding, and selective breeding. Complete set of Chapter 7 Worksheets are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 3.6.4.3 - Control of blood water potential. Complete set of Chapter 6 Lectures are available.

Complete set of concise, modern presentations for AQA A Level Biology (7401 and 7402) Chapter 5 - Energy Transfer. Contains colour coded specification points. Six presentations included: 36 - Photosynthesis and the Light Dependent Reaction 37 - Photosynthesis and the Light Independent Reaction 38 - The Rate of Photosynthesis 39 - Respiration 40 - Energy and Ecosystems 41 - Nutrient Cycles

Powerpoint lecture covering the following in a modern, concise format: Specification Point 3.5.4 - Nutrient cycles. Complete set of Chapter 5 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 3.4.4 - Genetic diversity and adaptation. Complete set of Chapter 4 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 3.4.3 - Genetic diversity can arise as a result of mutation or during meiosis. Complete set of Chapter 4 Lectures are available.

Complete set of concise, modern presentations for AQA A Level Biology (7401 and 7402) Chapter 4 - Variation Between Organisms. Contains colour coded specification points. Nine presentations included: 27 - DNA, Genes and Chromosomes 28 - Transcription and Translation 29 - Meiosis and Genetic Variation 30 - Mutations 31 - Genetic Diversity 32 - Natural Selection 33 - Classifying Organisms 34 - Biodiversity 35 - Investigating Variation

Powerpoint lecture covering the following in a modern, concise format: Specification Point 3.4.1 - DNA, genes and chromosomes. 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 3.3.2 - Gas exchange. Complete set of Chapter 3 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 3.3.2 - Gas exchange. Complete set of Chapter 3 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 3.3.3 - Digestion and absorption. Complete set of Chapter 3 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 3.3.4.2 - Mass transport in plants. Complete set of Chapter 3 Lectures are available.

Complete set of concise, modern presentations for AQA A Level Biology (7401 and 7402) Chapter 3 - The Exchange of Substances. Contains colour coded specification points. Nine presentations included: 18 - Size and Surface Area 19 - Gas Exchange 20 - Gas Exchange in Humans 21 - Lung Disease 22 - Digestion and Absorption 23 - Haemoglobin 24 - The Circulatory System 25 - Cardiovascular Disease 26 - Xylem and Phloem

Powerpoint lecture covering the following in a modern, concise format: Specification Point 3.2.3 - Transport across cell membranes. Complete set of Chapter 2 Lectures are available.