A lesson / revision PowerPoint covering all information needed for Required Practical 4 containing informative slides and practise questions Required Practical 4 -Use qualitative reagents to test for a range of carbohydrates, lipids and proteins to include: Benedict’s test for sugars; iodine test for starch; emulsion test for lipids; and Biuret reagent for protein. This powerpoint covers AT 2 (safe use of a Bunsen burner and a boiling water bath), AT 8 (use of qualitative reagents to identify biological molecules) and includes all practical and mathmatical skills required. The powerpoint covers: Background on Digestion and food tests Aim of the practical Required apparatus A suitable method for each test Explanation of the Biology behind the experiment A suitable results table to record data Safety concerns Past paper exam questions Concise summary table of each food test

A lesson / revision PowerPoint covering all information needed, containing informative slides and practise questions Required Practical 5 - Investigate the effect of pH on the rate of reaction of amylase enzyme This powerpoint covers AT 1 (use appropriate apparatus to record mass and time), AT 2 (safe use of a water bath or electric heater), AT 5 (measure the rate of osmosis by water uptake), AT 8 (use of qualitative iodine reagent to identify starch by continuous sampling) and includes all practical and mathmatical skills required at GCSE The powerpoint covers: Background on Amylase & Enzymes Aim of the practical Required apparatus A suitable method Explanation of the Biology behind the experiment A suitable results table to record data How to draw graphs and analyse the data collected Consideration of variables How to calculate rate of reaction Safety concerns & possible improvements Past paper exam questions on Required Practical #5

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 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 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 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

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

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 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 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