A lesson / revision PowerPoint covering all information needed and containing informative slides and practise questions Required Practical 7 - Plan and carry out an investigation into the effect of a factor on human reaction time This powerpoint covers AT 1 (use appropriate apparatus to record time), AT 3 (selecting appropriate apparatus and techniques to measure the process of reaction time), AT 4 (safe and ethical use of humans to measure physiological function of reaction time and responses to a chosen factor) and includes all practical and mathmatical skills required. The powerpoint covers: Background on responding to stimuli (receptors, coordination centres, effectors, response etc.) and which parts of the body are invovled Required apparatus A suitable method Biology behind what is happening A look at the variables in this experiment A suitable results table to record data Safety concerns & improvements Past paper exam questions Summary

A lesson / revision PowerPoint covering all information needed and containing informative slides and practise questions Required Practical 9 - To measure the population size of a common species in a habitat and use sampling techniques to investigate the effect of a factor on the distribution of this species This powerpoint covers AT 1 (use appropriate apparatus to record length and area), AT 3 (use transect lines and quadrats to measure distribution of a species), AT 4 (safe and ethical use of organisms and response to a factor in the environment), AT 6 (application of appropriate sampling techniques to investigate the distribution and abundance of organisms in an ecosystem via direct use in the field), AT 8 (use of appropriate techniques in more complex contexts including continuous sampling in an investigation) and includes all practical and mathmatical skills required. The powerpoint covers: Background on Ecology and ecosystems and using quadrats & transects Aim Required apparatus A suitable method to investigate population size and investigate the effect of a factor on the distribution of a species Appropraite sampling techniques e.g. random & systematic and when to use them How to calculate percentage cover How to calculate mean, median, mode and range How to calculate area of irregular shapes to estimate population size How to work with quadrats of different sizes in exam questions How to calculate percentage change Past paper exam questions Summary

Full GCSE Biology Lesson / Revision Powerpoint on The Carbon & Water Cycles A carefully laid out powerpoint covering the main content in easy to understand slides, including exam practise and answers as well as a summary page of all the main revision points included. Workbook available for purchase to go alongside powerpoint. Includes: Cycles in Biology (the role of autotrophs, decomposers and detrivores, the cycling of nutrients) The Water Cycle (evaporation & precipitation) The importance of the water cycle The carbon cyle (photosynthesis, respiration & combustion) The future of the carbon cycle (how humans are upsetting the balance by releasing more CO2) Exam Practise

Full GCSE Biology Lesson / Revision Pyramids of Biomass & Trophic Levels A carefully laid out powerpoint covering the main content in easy to understand slides, including exam practise and answers as well as a summary page of all the main revision points included. Workbook available for purchase to go alongside powerpoint. Includes: Trophic Levels How to read Pyramids of Biomass and key features Why is there energy loss between trophic levels (not all eaten, not all absorbed, faeces, respiration etc.) Working with biomass (concept of dry biomass) Calculating efficiency of biomass transfers Drawing pyramids of biomass Decomposers Exam Practise

Full GCSE Biology Lesson / Revision Powerpoint on Global Warming and Maintaining Biodiversity A carefully laid out powerpoint covering the main content in easy to understand slides, including exam practise and answers as well as a summary page of all the main revision points included. Workbook available for purchase to go alongside powerpoint. Includes: Greenhouse Gases Concept of Global Warming & Cliamte Change Human impact on greenhoue gas emissions Why climate change is a complex topic to study Biological Consequences of Global Warming (loss of habitat, changes in distribution, changes in migration, reduced biodiversity, changes in weather) Ways to maintain biodiversity in the face of change (breeding programmes, protection of rare habitats, reintroduction of hedgerows, reduction of deforestation and carbon dioxide emissions, recycling resources rather than dumping waste in landfill) Exam pracise questions

Full GCSE Biology Lesson / Revision Powerpoint on Quadrats & Transects A carefully laid out powerpoint covering the main content in easy to understand slides, including exam practise and answers as well as a summary page of all the main revision points included. Workbook available for purchase to go alongside powerpoint. Includes: Measuring abundance and distribution Quadrats (how to use them, having large sample size & random samples) Calculating mean, median, range and mode Transects (when to use them, line & belt transects) Calculating areas to workout abundance (worked examples) The impact of change (effect of change in temperature, water and atmospheric gases) Exam Practise

Full GCSE Biology Lesson / Revision Powerpoint on Intro to Ecology (Communities, Competition and Biotic & Abiotic Factors) A carefully laid out powerpoint covering the main content in easy to understand slides, including exam practise and answers as well as a summary page of all the main revision points included. Workbook available for purchase to go alongside powerpoint. Includes Ecology Key Terms Ecosystems, Communities and Competition What is interdependence? Stable communities Abiotic and Biotic Factors Food webs Need another lesson from this topic? Check out our other downloads below: Save with the Unit 7 Lessons BUNDLE 1 - Intro to Ecology 2 - Adaptations 3 - Food Chains & Predator Prey Cycles 4 - Trophic Levels & Pyramids of Biomass 5 - Quadrats & Transects 6 - The Carbon & Water Cycles 7 - Decay 8 - Biodiveristy & Waste Management 9 - Land Use & Deforestation 10 - Global Warming & Maintaining Biodiveristy 11 - Food Security, Farming & Fishing 12 - Biotechnology Searching for lessons from other GCSE Biology topics? Find them all below: Unit 1 - Cell Biology Unit 2 - Organization Unit 3 - Infection & Response Unit 4 - Bioenergetics Unit 5 - Homeostasis & Response Unit 6 - Inheritance, Variation & Evolution Unit 7 - Ecology

Full GCSE Biology Lesson / Revision Powerpoint on Communicable Diseases A carefully laid out powerpoint covering the main content in easy to understand slides, including exam practise and answers as well as a summary page of all the main revision points included. Workbook available for purchase to go alongside powerpoint. Includes: Different types of pathogens How diseases are spread and prevented Viral Diseases (HIV, Measels & TMV) Bacterial Diseases (Salmonella & Gonorrhoea) Funal Diseases (Rose Black Spot) Protist Diseases (Malaria) Exam Practise Need another lesson from this topic? Check out our other downloads below: 1 - Communicable Diseases 2 - The Immune System 3 - Vaccines 4 - Antibiotics & Drugs 5 - Monoclonal Antibodies 6 - Plant Disease & Defence Searching for lessons from other GCSE Biology topics? Find them all below: Unit 1 - Cell Biology Unit 2 - Organization Unit 3 - Infection & Response Unit 4 - Bioenergetics Unit 5 - Homeostasis & Response Unit 6 - Inheritance, Variation & Evolution Unit 7 - Ecology

Full GCSE Biology Lesson / Revision Powerpoint on The Immune System A carefully laid out powerpoint covering the main content in easy to understand slides, including exam practise and answers as well as a summary page of all the main revision points included. Workbook available for purchase to go alongside powerpoint. Includes: What is the immune system? Non-specific defences (skin, respiratory system and digestive system) Antigens and Antibodies White blood cells Lines of specific defence - phagocytosis, antibodies and antitoxins Practise Questions Need another lesson from this topic? Check out our other downloads below: 1 - Communicable Diseases 2 - The Immune System 3 - Vaccines 4 - Antibiotics & Drugs 5 - Monoclonal Antibodies 6 - Plant Disease & Defence Searching for lessons from other GCSE Biology topics? Find them all below: Unit 1 - Cell Biology Unit 2 - Organization Unit 3 - Infection & Response Unit 4 - Bioenergetics Unit 5 - Homeostasis & Response Unit 6 - Inheritance, Variation & Evolution Unit 7 - Ecology

Full GCSE Biology Lesson / Revision Powerpoint on Biodiversity and Waste Management A carefully laid out powerpoint covering the main content in easy to understand slides, including exam practise and answers as well as a summary page of all the main revision points included. Workbook available for purchase to go alongside powerpoint. Includes: What is Biodiversity Managing Waste Land Pollution (from landfill and from toxic chemicals) Water Pollution (from sewage, fertiliser or toxic chemicals) Air Pollution (from smoke and acidic gases) The impact of pollution on biodiveristy Exam Practise

Full GCSE Biology Lesson / Revision Powerpoint on DNA & Protein Synthesis A carefully laid out powerpoint covering the main content in easy to understand slides, including exam practise and answers as well as a summary page of all the main revision points included. Workbook available for purchase to go alongside powerpoint. Includes: Key Words Function & Structure of DNA (including nucleotide structure) The Human Genome & the importance of understanding it Protein Synthesis * Concept of a gene coding for a protein * Main stages of Protein Synthesis Gene Expression (the role of non-coding DNA) Tyeps of mutations

Full GCSE Biology Lesson / Revision Powerpoint on Evolution, Variation & Speciation A carefully laid out powerpoint covering the main content in easy to understand slides, including exam practise and answers as well as a summary page of all the main revision points included. Workbook available for purchase to go alongside powerpoint. Includes: Variation (Genetics vs. Environment) Evolution: Lamarck & Early Ideas Evolution: Charles Darwin and Natural Selection Evolution: Accepting Darwin’s Ideas and Alfred Russel Wallace’s Contribution Speciation

Full GCSE Biology Lesson / Revision Powerpoint on The Endocrine System and Negative Feedback A carefully laid out powerpoint covering the main content in easy to understand slides, including exam practise and answers as well as a summary page of all the main revision points included. Workbook available for purchase to go alongside powerpoint. Includes: What is the endocrine system? Location of main glands in the human body and the hormones they produce The endocrine system vs. the nervous system The Pituitary Gland & hormones it releases The role of adrenaline in increasing heart rate The role of thyroxine in metabolism and the concept of negative feedback

Full GCSE Biology Lesson / Revision Powerpoint on The Kidneys (Maintaining Water & Nitrogen Balance in the Body) A carefully laid out powerpoint covering the main content in easy to understand slides, including exam practise and answers as well as a summary page of all the main revision points included. Workbook available for purchase to go alongside powerpoint. Includes: Why is balancing water concentration important? Waste products and how the body deals with them (e.g. water, CO2, ions & urea) The breakdown of excess amino acids to Urea in the liver The structure of the kidney and how it produces urine (flitration and selective reabsorption) with annotated diagrams How ADH controls the amount of water reabsorbed by the kidneys & negative feedback loops Kidney failure Kidney Dialysis Kidney Transplant Practise Questions

Full GCSE Biology Lesson / Revision Powerpoint on Plant Hormones A carefully laid out powerpoint covering the main content in easy to understand slides, including exam practise and answers as well as a summary page of all the main revision points included. Workbook available for purchase to go alongside powerpoint. Includes: The role of auxin in phototropisms & gravitropisms The role of gibberlines and ethene The uses of plant hormones * Auxin - killing weeds, growing from cuttings, promoting growth in cultures * Gibberellin - controlling dormancy, promoting flowering, increasing fruitsize * Ethene - control ripening of fruit during storage and transport

Full GCSE Biology Lesson / Revision Powerpoint on Selective Breeding A carefully laid out powerpoint covering the main content in easy to understand slides, including exam practise and answers as well as a summary page of all the main revision points included. Workbook available for purchase to go alongside powerpoint. Includes: What is selective breeding How is Selective Breeding carried out? Selective breeding in animals (why is done? for which characteristics? examples of cattle and dogs) Selective breeding in plants (why is done? for which characteristics? examples of wild brassica) Problems with Selective Breeding (Inbreeding, inherited defects & new diseases) Multiple choice questions & Exam Questions

Full GCSE Biology Lesson / Revision Powerpoint on Cloning A carefully laid out powerpoint covering the main content in easy to understand slides, including exam practise and answers as well as a summary page of all the main revision points included. Workbook available for purchase to go alongside powerpoint. Includes: What is Cloning? Types of cloning * Cuttings * Tissue Cultures * Embryo Cloning * Adult Cell Cloning Risks and benefits of cloning

Full GCSE Biology Lesson / Revision Powerpoint on Fossils A carefully laid out powerpoint covering the main content in easy to understand slides, including exam practise and answers as well as a summary page of all the main revision points included. Workbook available for purchase to go alongside powerpoint. Includes: Fossil Formation (the 3 ways fossils can form) Using fossils to explain evolution (identifying how organisms have and haven’t changed over time e.g. horses vs. sharks) Why the fossil record is incomplete Extinction Factors causing extinction * New Diseases * New Predators * New Competitors * Physical Factors (Ice Age, Drought, Flooding) * Catastrophic Events Exam Questions

Full GCSE Biology Lesson / Revision Powerpoint on Antibiotic Resistance A carefully laid out powerpoint covering the main content in easy to understand slides, including exam practise and answers as well as a summary page of all the main revision points included. Workbook available for purchase to go alongside powerpoint. Includes: What are antibiotics? Why antibiotics don’t work against viruses How antibitoic resistance arises MRSA How to reduce the rate of development of antibiotic resistant strains Exam Practise with model answers

Full GCSE Biology Lesson / Revision Powerpoint on Classification A carefully laid out powerpoint covering the main content in easy to understand slides, including exam practise and answers as well as a summary page of all the main revision points included. Workbook available for purchase to go alongside powerpoint. Includes: Carl Linneaus and the Linnean System Concept of Kingdom, Phylum, Class, Order, Family, Genus & Species How classification systems have changed over time The 3 domain system (Archaea, Bacteria and Eukaryota) & Carl Woese The Binomial Naming System How to read evolutionary trees (phylogenetics) Exam Practise