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 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 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 Food Chains & Predator-Prey 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: Food Chains: Producers Food Chains: Consumers (Primary, secondary, tertiary, apex predators, decomposers) Identifying consupers / producers in food chains Predator and Prey Predator-Prey Cycles (with example of field mice & owls) Exam Practise 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 & Pre 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 Food Security, Farming & Fishing 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: Concept of Food Secuirty Biological factors which are threatening food security (Increasing birth rate, changing diets in developed countries, new pests and pathogens, environmental changes, cost of agricultural inputs and conflicts) Increasing the efficiency of food production (restricting movement, conserving heat, high protein diet) Problems behind intensive farming Sustainable Fisheries (introducing fishing quotas and net sizes) 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 Land Use & Deforestation 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: How humans reduce land use (building, quarrying, farming, dumping waste) Deforestation * Reasons for it * Consequences of deforestation (reduced biodiversity, more CO2 in atmosphere, more methane, creation of monocultures etc.) Peat Bogs * Their importance * What happens when beat bogs are destroyed Exam Practise

Full GCSE Biology Lesson / Revision Powerpoint on Decay 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 concept of decay (role of detrivores) Factors affecting decomposition (temperature, water availability, oxygen, presence of decomposers/detrivores) Using decay to make compost (use as a fertilizer) Best conditions for decay How to design a compost bin Making Biogas (production of methane) 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 Adaptations 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: Types of Adaptations (Structural, behavioural & functional) Adaptations in animals (Polar bear, artic fox, camels) Adaptations in plants (Marram grass, cactus) Extremophiles (Bacteria in deep sea vents and other examples) Exam Practise Need another lesson from this topic? Check out our other downloads below: Save with the Unit 7 Lessons BUNDLE 1 - Intro to Ecology 2 - Ada 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 The Nervous System & The Brain 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: Structure of the Nervous System CNS vs. PNS The role of motor, relay and sensory neurones Electrical nerve impulses Synapses & Neurotransmitters Reflexes and Reflex Arcs Understand the structure of the brain * The Cerebral Cortex * The Cerebellum * The Medulla Oblongata * The Hypothalamus * The Pituitary gland Learn how to study the brain using various techniques

Full GCSE Biology Lesson / Revision Powerpoint on Inheritance 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: Chromosomes, genes and alleles Inheritance key words Genetic crosses and punnet squares The work of Gregor Mendel & the history of Genetics

Full GCSE Biology Lesson / Revision Powerpoint on Genetic Disorders & Sex Determination 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: X & Y chromsomes and sex determination Sex determination using punnet sqaures Inherited Disorders * Polydactly * Cystic Fibrosis How to intepret family trees / pedigrees Screening for genetic disoders