This lesson bundle contains 10 lessons which are fully-resourced and have been designed to cover the content as detailed in topic 8 of the Edexcel A-level Biology B specification (Origins of genetic variation). Each lesson includes a wide range of activities that will engage and motivate the students whilst covering the following topic 8 specification points: Mutations are the source of new variations Random assortment and crossing over in meiosis give rise to new combinations of alleles in gametes Random fertilisation brings about genetic variation The meaning of genetic terms Be able to construct genetic crosses and pedigree diagrams The inheritance of two non-interacting unlinked genes Autosomal linkage as the presence of alleles on the same chromosome Sex linkage on the X chromosome Use the chi squared test to determine the significance of the difference between observed and expected results Stabilising and disruptive selection Genetic drift Population bottlenecks and the founder effect Monitoring changes in allele frequencies using the Hardy Weinberg equation If you would like to sample the quality of the lessons in this bundle then download the sex linkage and genetic drift lessons as these have been uploaded for free

This bundle contains 11 fully-resourced lessons which will engage and motivate the students whilst covering the following specification points in topics 7 and 8 of the CIE A-level Biology specification: TOPIC 7 The structure of xylem vessel elements, phloem sieve tube elements and companion cells The relationship between the structure and function of xylem vessel elements, phloem sieve tube elements and companion cells Explain how hydrogen bonding of water molecules is involved with the movement in the xylem by cohesion-tension in transpiration pull and adhesion to cell walls The pathways and mechanisms by which water and mineral ions are transported from the soil to the xylem and from roots to leaves Assimilates move between sources and sinks between phloem sieve tubes The mechanism by which sucrose is loaded into the phloem The mass flow of phloem sap down a hydrostatic pressure gradient TOPIC 8 The double, closed circulatory system of a mammal The relationship between the structure and function of arteries, veins and capillaries The role of haemoglobin in carrying oxygen and carbon dioxide The significance of the oxygen dissociation curve of adult haemoglobin at different carbon dioxide concentrations The external and internal structure of the heart The cardiac cycle The role of the SAN, AVN and Purkyne tissue in the initiation and conduction of the heart action The lesson PowerPoints and accompanying resources contain a wide range of tasks which include exam-style questions with mark schemes, discussion points and quiz competitions that will check on current understanding as well as making links to previously covered topics.

This bundle of 7 lessons covers a lot of the content in Topic B5 (Health, disease and development of medicines) of the Edexcel GCSE Combined Science specification. The topics covered within these lessons include: Health The difference between communicable and non-communicable diseases Pathogens Common infections The spread of diseases and the prevention The spread of STIs The physical and chemical defences of the human body The use of antibiotics Developing new medicines Non-communicable diseases Treating cardiovascular disease All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding.

This bundle of 8 lessons covers the majority of the content in Topic B11 (Inheritance) of the core and supplement sections of the Cambridge iGCSE Science Double Award specification. The topics covered within these lessons include: Inheritance as the transmission of genetic information Chromosomes, genes and alleles Inheritance of sex in humans (XX and XY) The haploid and diploid nucleus Mitosis and the production of genetically identical cells Meiosis and the production of gametes Understanding genetic terminology (e.g. genotypes) Using Punnett crosses to interpret the results of monohybrid crosses Interpret pedigree diagrams Phenotypic and genetic variation Continuous and discontinuous variation Natural selection Selective breeding All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding

Meiosis, genetic inheritance and the control of gene expression are some of the harder topics on this A-level Biology course and all three are covered in topic 16 (Inherited change) of the CIE A-level Biology specification. The 10 lessons included in this bundle have been planned at length and contain a wide range of tasks that cover the detailed content whilst checking on understanding and key terms and values are introduced through engaging quiz competitions. The following topic 16 specification points are covered by these lessons: Topic 16.1 The meaning of a homologous pair of chromosomes The behaviour of chromosomes in animal and plant cells during meiosis Genetic variation is caused by crossing over, random assortment and the random fusion of gametes at fertilisation Topic 16.2 The meaning of key genetic terms Using genetic diagrams to solve problems involving mohohybrid and dihybrid crosses, including those involving autosomal linkage, sex linkage, codominance, multiple alleles and gene interactions Use the chi-squared test to test the significance of differences between observed and expected results Gene mutations occur by substitution, deletion and insertion and may affect the phenotype Topic 16.3 The genetic control of protein production in a prokaryote as shown by the lac operon The function of transcription factors in gene expression in eukaryotes Gibberellins and DELLA protein repressors If you would like to sample the quality of the lessons included in this bundle, then download the autosomal linkage and chi-squared test lessons as these have been uploaded for free

The biological molecules topic is incredibly important, not just because it is found near to the start of the course, but also because of its detailed content which must be well understood to promote success with the other 18 CIE International A-level Biology topics. Many hours of intricate planning have gone into the design of all of the 11 lessons that are included in this bundle to ensure that the content is covered in detail, understanding is constantly checked and misconceptions addressed and that engagement is high. This is achieved through the wide variety of tasks in the PowerPoints and accompanying worksheets which include exam-style questions with clear answers, discussion points, differentiated tasks and quick quiz competitions. The following specification points are covered by the lessons within this bundle: Tests for reducing and non-reducing sugars The iodine test for starch The emulsion test for lipids The biuret test for proteins The ring forms of alpha and beta glucose The meaning of the terms monomer, polymer, macromolecule, monosaccharide, disaccharide and polysaccharide The formation of a glycosidic bond by a condensation reaction The breakage of glycosidic bonds by hydrolysis reactions The relationship between the molecular structure and functions of a triglyceride The relationship between the structure and functions of a phospholipid The structure of an amino acid and the formation and breakage of a peptide bond The meaning of the different protein structures and the types of bonding that hold these molecules in shape The molecular structure of haemoglobin and collagen as examples of globular and fibrous proteins The relationship between the properties and roles of water in living organisms The lesson on the biuret test for proteins and the emulsion test for lipids also contains a section which can be used for the revision of topics 2.2 and 2.3 Due to the detail of each of these lessons, it is estimated that it will take in excess of 4 weeks of allocated teaching time to cover the content. If you would like to see the quality of the lessons, download the alpha and beta glucose, phospholipids and haemoglobin and collagen lessons as these have been shared for free

This bundle contains 7 fully-resourced and detailed lessons that have been designed to cover the content of topic 14.1 of the CIE A-level Biology specification (for assessment in 2025-27) which concerns homeostasis in mammals. The wide range of activities included in each lesson will engage the students whilst the detailed content is covered and the understanding and previous knowledge checks allow them to assess their progress on the current topic as well as challenging them to make links to other related topics. Many of the tasks are differentiated to allow differing abilities to access the work and be challenged. Specification points 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10 are covered by these lessons If you want to see the quality of the lessons before purchasing then the lesson on osmoregulation is a free resource to download

This bundle of 10 lessons covers the majority of the content in Topic B1 (Cell Biology) of the AQA Trilogy GCSE Combined Science specification. The topics covered within these lessons include: Cells Microscopy Cell differentiation and specialisation Chromosomes and mitosis Stem cells Diffusion Osmosis Active transport Exchange surfaces Exchanging substances All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding.

This bundle contains 12 lesson PowerPoints and their accompanying resources, and all of them have been planned at length to cover the GCSE content of topic 5 of the AQA GCSE Biology specification, whilst engaging and motivating the students with a wide range of tasks. These tasks include exam-style questions with answers included in the PowerPoint, guided discussion points and quick quiz rounds which are used to introduce key terms and values in a fun and memorable way whilst instilling some competition The following Homeostasis and response specification points are covered by the lessons in this bundle: Homeostasis* Structure and function of the human nervous system The brain The eye Control of body temperature Human endocrine system Control of blood glucose concentration Maintaining water and nitrogen balance in the body* Hormones in human reproduction Contraception* The use of hormones to treat infertility Negative feedback If you would like to sample the quality of lessons in this bundle, then download the lessons indicated with an asterisk as they have been uploaded for free

This bundle of 8 lessons covers the majority of the content in Topic B2 (Organisation) of the AQA Trilogy GCSE Combined Science specification. The topics covered within these lessons include: Enzymes Enzyme reactions The Heart The Blood vessels The Blood Cardiovascular disease Health and disease Risk factors for non-communicable diseases Transport in plants through the xylem and phloem Transpiration (and stomata) All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding.

This bundle of 7 lessons covers the majority of the content in Topic B1 (Key concepts in Biology) of the Edexcel GCSE Combined Science specification. The topics covered within these lessons include: Animal cells Plant cells Bacterial cells Specialised cells Changes in microscopic technology Number, size and scale The relationship between quantitative units Enzyme properties and action Enzyme activity Osmosis Active transport All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding.

As the first topic to be taught at the start at the second year of the Pearson Edexcel A-level Biology A (Salters Nuffield) course, topic 5 is very important and the content includes the key reaction of photosynthesis. All 10 lessons included in this bundle are highly detailed and have been filled with a wide variety of tasks which will engage and motivate the students whilst covering the following specification points: Understand the terms ecosystem, community, population and habitat The numbers and distribution of organisms in a habitat are controlled by biotic and abiotic factors The concept of niche The stages of succession from colonisation to climax community The overall reaction of photosynthesis The phosphorylation of ADP and the hydrolysis of ATP The light-dependent reactions of photosynthesis The light-independent reactions of photosynthesis The products of the Calvin cycle The structure of the chloroplasts and the role of this organelle in photosynthesis Be able to calculate net primary productivity Know the relationship between NPP, GPP and R The effect of temperature on the rate of enzyme activity Isolation reduces gene flow and leads to allopatric and sympatric speciation If you would like to sample the quality of the lessons in this bundle, then download the light-independent reactions and isolation and speciation lessons as these have been uploaded for free

This bundle of 11 lessons covers the majority of the content in Topic B3 (Organism level systems) of the OCR Gateway A GCSE Combined Science specification. The topics covered within these lessons include: The nervous system Hormones and the endocrine system Adrenaline Negative feedback loops Thyroid gland and thyroxine The menstrual cycle Contraception Using hormones to treat infertility Homeostasis Controlling blood glucose Diabetes All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding.

All 9 lessons included in this bundle are filled with a variety of tasks to maintain engagement whilst covering the detailed content of module 5.1.2 of the OCR A-level biology specification. There are also multiple understanding checks and prior knowledge checks, with answers embedded into the PowerPoint, which allow the students to assess their progress against the current topic and test their ability to make links to previously covered content. This module titled “Excretion as an example of homeostatic control”, considers the removal of the products of cell metabolism and explores the role of the liver, kidneys (and skin) in this process. The functions of the liver and structure of the kidney lessons have been uploaded for free, so you could download these first if you would like to view the quality of this bundle. The specification points not directly covered by the lessons in this bundle are: (b) (ii) [c) (ii) [c] (iii) (f)

This bundle contains 11 detailed lesson PowerPoints and the variety of tasks that are contained within these slides and the accompanying resources will engage and motivate the students whilst covering the following specification points within topic 1 of the Edexcel International A-level Biology specification: The importance of water as a solvent in transport The difference between monosaccharides, disaccharides and polysaccharides The relationship between the structure and function of monosaccharides The formation and breakdown of disaccharides The relationship between the structure and function of glycogen, amylose and amylopectin The synthesis of triglycerides The differences between saturated and unsaturated lipids The relationship between the structure of capillaries, arteries and veins and their functions Atrial systole, ventricular systole and cardiac diastole as the three stages of the cardiac cycle The operation of the mammalian heart and the major blood vessels The role of haemoglobin in the transport of oxygen and carbon dioxide The oxygen dissociation curve for foetal haemoglobin and during the Bohr effect The course of events that lead to atherosclerosis The blood clotting process If you want to sample the quality of this bundle, then download the glycogen, amylose and amylopectin, cardiac cycle and blood clotting lessons as these have been uploaded for free

This bundle contains 7 fully-resourced lessons which are highly detailed and will engage and motivate the students whilst covering the content of topic 13 of the CIE A-level Biology specification (for assessment in 2025 - 27). The following specification points are covered: Topic 13.1: points 1 - 12 Topic 13.2: points 1 & 2 The lesson PowerPoints and accompanying resources contain a wide range of tasks which include exam-style questions, whole class discussion periods and quiz competitions which are designed to introduce key terms and values in a memorable way. If you would like to get an idea of the quality of these lessons, then download the Calvin cycle intermediates lesson as this has been shared for free.

Respiration and photosynthesis are two of the most commonly-assessed topics in the terminal A-level exams but can be the least well understood by students. These 11 lessons have been intricately planned to contain a wide range of activities that will engage the students whilst covering the key detail to try to deepen their understanding and include exam-style questions so they are prepared for these assessments. The following specification points in topics 5.1 and 5.2 of the AQA A-level Biology course are covered by these lessons: The photoionisation of chlorophyll The production of ATP and reduced NADP through the transfer of electrons and pumping of protons across the thylakoid membrane Photolysis of water to produce protons, electrons and oxygen The use of the products of the light-dependent reaction in the Calvin cycle Carbon fixation involving RUBISCO The reduction of GP to TP The regeneration of RuBP from TP The conversion of TP to organic substances The environmental factors that limit the rate of photosynthesis Respiration produces ATP Glycolysis as the first stage of aerobic and anaerobic respiration The conversion of pyruvate to ethanol or lactate using reduced NAD The key details of the Link reaction, Krebs cycle and oxidative phosphorylation The metabolic pathways of other respiratory substrates Due to the detail of these lessons, it is estimated that it will take in excess of a month of A-level lessons to cover these specification points If you would like to sample the quality of the lessons, download the chloroplast structure, anaerobic respiration and oxidative phosphorylation lessons as these have been shared for free

The biological molecules sub-module is incredibly important, not just because it is found near to the start of the course, but also because of its detailed content which must be well understood to promote success with most of the other OCR A-level Biology A modules. Many hours of intricate planning have gone into the design of all of the 13 lessons that are included in this bundle to ensure that the content is covered in detail, understanding is constantly checked and misconceptions addressed and that engagement is high. This is achieved through the wide variety of tasks in the PowerPoints and accompanying worksheets which include exam-style questions with clear answers, discussion points, differentiated tasks and quick quiz competitions. The following specification points are covered by the lessons within this bundle: The relationship between the properties of water and its roles for living organisms The concept of monomers and polymers and the importance of condensation and hydrolysis reactions The chemical elements that make up biological molecules The ring structure and properties of glucose and structure of ribose The synthesis and breakdown of a disaccharide and a polysaccharide The relationship between the structures, properties and functions of starch, glycogen and cellulose The structure of a triglyceride and a phospholipid as macromolecules The synthesis and breakdown of triglycerides The relationship between the properties and functions of triglycerides, phospholipids and cholesterol The general structure of an amino acid The synthesis and breakdown of dipeptides and polypeptides The levels of protein structure The structure and function of globular proteins The properties and functions of fibrous proteins The key inorganic ions that are involved in biological processes How to carry out and interpret the results of the chemical tests for proteins, reducing and non-reducing sugars, starch and lipids Due to the detail of each of these lessons, it is estimated that it will take in excess of 6 weeks of allocated teaching time to cover the content. If you would like to see the quality of the lessons, download the properties of water, glucose & ribose, amino acids and dipeptides and polypeptides lessons as these have been shared for free

Each of the 8 lessons that are included in this bundle are fully-resourced and have been designed to cover the content as detailed in topic 6.4 (Homeostasis is the maintenance of a stable internal environment) of the AQA A-Level Biology specification. The specification points that are covered within these lessons include: The principles of homeostasis The importance of maintaining temperature and blood glucose concentrations Negative feedback systems The action of insulin, glucagon and the role of the liver in blood glucose control The role of adrenaline The causes of type I and II diabetes and their control The structure of the nephron and its numerous roles The formation of the glomerular filtrate by ultrafiltration Reabsorption of glucose and water by the proximal convoluted tubule Maintaining a gradient of sodium ions in the medulla by the loop of Henle The roles of the hypothalamus, the posterior pituitary gland and ADH in osmoregulation The lessons have been written to include a wide range of activities and numerous understanding and prior knowledge checks so students can assess their progress against the current topic as well as be challenged to make links to other topics within this topic and earlier topics If you would like to see the quality of the lessons, download the ultrafiltration lesson which is free

All 11 lessons included in this bundle are detailed and contain a wide variety of tasks to challenge and engage the students whilst covering this potentially difficult topic. The content of this module, titled plant and animal responses, is regularly assessed in the PAPER 1 and 3 OCR examinations, so these lessons have been filled with assessment-style questions to continually expose the students to this type of material. The following specification points are covered by this bundle: 5.1.5 a, b, d, g, h, i, k, and l. If you would like to sample the quality of the lessons before committing to the bundle, then why not download the role of plant hormones, organisation of the nervous system and sliding filament theory lessons, as these have been shared for free?