This bundle of 9 lessons covers a lot of the content in Topic B9 (Ecosystems and material cycles) of the Edexcel GCSE Biology specification. The topics covered within these lessons include: Levels of organisation in an ecosystem Biotic and abiotic factors Interdependence Types of ecological relationships Sampling techniques Efficiency of biomass transfer Human impacts on ecosystems Maintaining and increasing biodiversity The carbon cycle The nitrogen cycle Decomposition The rate of decay 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 10 lessons covers a lot of the content in Topic B3 (Genetics) of the Edexcel GCSE Biology specification. The topics covered within these lessons include: Advantages and disadvantages of asexual reproduction Advantages and disadvantages of sexual reproduction The role of meiosis The structure of DNA Transcription and translation Understanding and using genetic terminology Monohybrid inheritance Sex determination Sex linkage The causes of variation 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 9 lessons covers the majority of the content in Topic P1 (Motion) of the core and supplement sections of the Cambridge iGCSE Science Double Award specification. The topics and specification points covered within these lessons include: Define speed and calculate average speed Distinguish between speed and velocity Define and calculate acceleration Plot distance-time graphs and speed-time graphs Calculate acceleration and distance travelled from a speed-time graph Distinguish between mass and weight Recall and use the equation W = mg Describe how forces can affect a body Plot and interpret extension-load graphs Understand Hooke’s Law Friction and air resistance Resultant forces Calculating moments The principle of moments 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 lesson bundle contains 16 lessons which have been designed to cover the Pearson Edexcel A-level Biology A (Salters Nuffield) specification points which focus on the structure of DNA and RNA, their roles in replication and protein synthesis, and genetics and inheritance. The lesson PowerPoints are highly detailed, and along with their accompanying worksheets, they have been planned at length to contain a wide range of engaging tasks which cover the following A-level Biology content found in topics 2, 3 and 6 of the course: 2.5 (i): Know the basic structure of mononucleotides (deoxyribose or ribose linked to a phosphate and a base, including thymine, uracil, cytosine, adenine or guanine) and the structures of DNA and RNA (polynucleotides composed of mononucleotides linked through condensation reactions) 2.5 (ii): Know how complementary base pairing and the hydrogen bonding between two complementary strands are involved in the formation of the DNA double helix 2.6 (i): Understand the process of protein synthesis (transcription) including the role of RNA polymerase, translation, messenger RNA, transfer RNA, ribosomes and the role of start and stop codons 2.6 (ii): Understand the roles of the DNA template (antisense) strand in transcription, codons on messenger RNA and anticodons on transfer RNA 2.7: Understand the nature of the genetic code 2.8: Know that a gene is a sequence of bases on a DNA molecule that codes for a sequence of amino acids in a polypeptide chain 2.11 (i): Understand the process of DNA replication, including the role of DNA polymerase 2.12 (i): Understand how errors in DNA replication can give rise to mutations 2.12 (ii): Understand how cystic fibrosis results from one of a number of possible gene mutations 2.13 (i): Know the meaning of the terms: gene, allele, genotype, phenotype, recessive, dominant, incomplete dominance, homozygote and heterozygote 2.13 (ii): Understand patterns of inheritance, including the interpretation of genetic pedigree diagrams, in the context of monohybrid inheritance 2.14: Understand how the expression of a gene mutation in people with cystic fibrosis impairs the functioning of the gaseous exchange, digestive and reproductive systems 2.15 (i): Understand the uses of genetic screening, including the identification of carriers, pre-implantation genetic diagnosis (PGD) and prenatal testing, including amniocentesis and chorionic villus sampling 2.15 (ii): Understand the implications of prenatal genetic screening 3.8 (i): The loci is a location of genes on a chromosome 3.8 (ii): The linkage of genes on a chromosome and sex linkage 3.12: Understand how cells become specialised through differential gene expression, producing active mRNA leading to synthesis of proteins, which in turn control cell processes or determine cell structure in animals and plants, including the lac operon 3.14 (i): Phenotype is an interaction between genotype and the environment 3.15: Understand how some phenotypes are affected by multiple alleles for the same gene at many loci (polygenic inheritance) as well as the environment and how this can give rise to phenotypes that show continuous variation 6.4: Know how DNA can be amplified using the polymerase chain reaction (PCR) 6.10: Understand how one gene can give rise to more than one protein through posttranscriptional changes to messenger RNA (mRNA).

This lesson bundle contains 16 lessons which have been designed to cover the Edexcel International A-level Biology specification points which focus on the structure of DNA and RNA, their roles in replication and protein synthesis, and genetics and inheritance. The lesson PowerPoints are highly detailed, and along with their accompanying worksheets, they have been planned at length to contain a wide range of engaging tasks which cover the following A-level Biology content found in topics 2, 3 and 6 of the course: 2.9 (i): Know the basic structure of mononucleotides (deoxyribose or ribose linked to a phosphate and a base, including thymine, uracil, adenine, cytosine or guanine) and the structures of DNA and RNA (polynucleotides composed of mononucleotides linked by condensation reactions to form phosphodiester bonds) 2.9 (ii): Know how complementary base pairing and the hydrogen bonding between two complementary strands are involved in the formation of the DNA double helix 2.10 (i): Understand the process of DNA replication, including the role of DNA polymerase 2.11: Understand the nature of the genetic code 2.12: Know that a gene is a sequence of bases on a DNA molecule that codes for a sequence of amino acids in a polypeptide chain 2.13 (i): understand the process of protein synthesis (transcription and translation), including the role of RNA polymerase, translation, messenger RNA, transfer RNA, ribosomes and the role of start and stop codons 2.13 (ii): Understand the roles of the DNA template (antisense) strand in transcription, codons on messenger RNA and anticodons on transfer RNA 2.14 (i): Understand how errors in DNA replication can give rise to mutations (substitution, insertion and deletion of bases) 2.14 (ii): Know that some mutations will give rise to cancer or genetic disorders, but that many mutations will have no observable effect 2.15 (i): Know the meaning of the terms: gene, allele, genotype, phenotype, recessive, dominant, codominance, homozygote and heterozygote 2.15 (ii): Understand patterns of inheritance, including the interpretation of genetic pedigree diagrams, in the context of monohybrid inheritance 2.15 (iii): Understand sex linkage on the X chromosome, including red-green colour blindness in humans 2.16: Understand how the expression of a gene mutation in people with cystic fibrosis impairs the functioning of the gaseous exchange, digestive and reproductive systems 2.17 (i): Understand the uses of genetic screening, including the identification of carriers, pre-implantation genetic diagnosis (PGD) and prenatal testing, including amniocentesis and chorionic villus sampling 2.17 (ii): Understand the implications of prenatal genetic screening 3.9 (i): Know that a locus is the location of genes on a chromosome 3.9 (ii): Understand the linkage of genes on a chromosome 3.18: Understand how cells become specialised through differential gene expression, producing active mRNA, leading to the synthesis of proteins which, in turn, control cell processes or determine cell structure in animals and plants 3.19: Understand how one gene can give rise to more than one protein through posttranscriptional changes to messenger RNA (mRNA). 3.20 (i): Phenotype is an interaction between genotype and the environment 3.21: Understand how some phenotypes are affected by multiple alleles for the same gene at many loci (polygenic inheritance) as well as the environment and how this can give rise to phenotypes that show continuous variation 6.17: Know how DNA can be amplified using the polymerase chain reaction (PCR)

This bundle contains 15 fully-resourced and detailed lessons that have been designed to cover the content of topic 7 of the AQA A-level Biology specification which concerns genetics, populations, evolution and ecosystems. 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. Most of the tasks are differentiated to allow differing abilities to access the work and be challenged. The following sub-topics are covered in this bundle of lessons: The use of genetic terminology The inheritance of one or two genes in monohybrid and dihybrid crosses Codominant and multiple alleles The inheritance of sex-linked characteristics Autosomal linkage Epistasis as a gene interaction The use of the chi-squared test Calculating allele frequencies using the Hardy-Weinberg principle Causes of phenotypic variation Stabilising, directional and disruptive selection Genetic drift Allopatric and sympatric speciation Species, populations, communities and ecosystems Factors affecting the populations in ecosystems Estimating the size of a population using randomly placed quadrats, transects and the mark-release-recapture method Conservation of habitats frequently involves the management of succession This is one of the 8 topics which have to be covered over the length of the 2 year course and therefore it is expected that the teaching time for this bundle will be in excess of 2 months If you want to see the quality of the lessons before purchasing then the lessons on codominant and multiple alleles, epistasis and phenotypic variation are free resources to download

It’s fair to say that cell structure and biological molecules are two of the most important topics in the OCR A-level Biology A course and all 19 lessons that are included in this bundle have been planned at length to cover the module 2.1.1 & 2.1.2 specification points in the detail required at this level. The lesson PowerPoints and their accompanying resources contain a wide range of tasks as well as regular checks to allow students to assess their understanding of the current content as well as prior knowledge checks to emphasise the importance of making links to topics in other modules. The following specification points in modules 2.1.1 (cell structure) and 2.1.2 (biological molecules) are covered by the lessons in this bundle: 2.1.1 The use of microscopy to observe and investigate different types of cell and cell structure in a range of eukaryotic organisms The use of the eyepiece graticule and stage micrometer The use of staining in light microscopy The use and manipulation of the magnification formula The difference between magnification and resolution The ultrastructure of eukaryotic cells and the functions of the different cellular components The interrelationship between the organelles involved in the production and secretion of proteins The importance of the cytoskeleton The similarities and differences between the ultrastructure of prokaryotic and eukaryotic cells 2.1.2 The properties and roles of water in 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 structure and properties of glucose and ribose The synthesis and breakdown of a disaccharide and a polysaccharide by the formation and breakage of glycosidic bonds The structure of starch, glycogen and cellulose molecules The relationship between the structure, function and roles of triglycerides, phospholipids and cholesterol in living organisms 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 involved in biological processes The chemical tests for proteins, reducing and non-reducing sugars, starch and lipids If you would like to sample the quality of the lessons included in this bundle, then download the following lessons as they have been uploaded for free: The use of microscopy The importance of the cytoskeleton Properties and roles of water Glucose & ribose General structure of an amino acid Dipeptides, polypeptides and protein structure

This bundle of 15 lessons covers the majority of the content in Topic B3 (Organism level systems) of the OCR Gateway A GCSE Biology specification. The topics covered within these lessons include: The nervous system The eye Hormones and the endocrine system Adrenaline Negative feedback loops Thyroid gland and thyroxine The menstrual cycle Contraception Using hormones to treat infertility Plant hormones Homeostasis Controlling body temperature Controlling blood glucose Diabetes Inside the kidney 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.

Each of the 20 revision lessons included in this bundle has been designed to motivate and engage the students whilst they are challenged on their knowledge of the content of the OCR A-Level Biology A specification. The detailed PowerPoints contain a wide range of activities which include exam questions with explained answers, differentiated tasks and quiz competitions that are supported by the accompanying worksheets. The modules covered in this bundle are: Module 2.1.1: Cell structure Module 2.1.2: Biological molecules Module 2.1.3: Nucleotides and nucleic acids Module 2.1.4: Enzymes Module 2.1.5: Biological membranes Module 2.1.6: Cell division, cell diversity and cellular organisation Module 3.1.2: Transport in animals Module 3.1.3: Transport in plants Module 4.1.1: Communicable diseases, disease prevention and the immune system Module 4.2.1: Biodiversity Module 4.2.2: Classification and evolution Module 5.1.2: Excretion as an example of homeostatic control Module 5.1.3: Neuronal communication Module 5.1.4: Hormonal communication Module 5.1.5: Plant and Animal responses Module 5.2.1: Photosynthesis Module 5.2.2: Respiration Module 6.1.1: Cellular control Module 6.1.2: Pattens of inheritance Module 6.1.3: Manipulating genomes Helpful hints are provided throughout the lessons to help the students with exam technique and in structuring their answers. These lessons are suitable for use throughout the course and can be used for revision purposes at the end of a module or in the lead up to mocks or the actual A LEVEL exams

This bundle of 16 lessons covers the majority of the content in Topic C5 (Monitoring and controlling chemical reactions) of the OCR Gateway A GCSE Chemistry specification. The topics covered within these lessons include: Theoretical yield Percentage yield Atom economy Concentration of solution Titrations Titration calculations Gas calculations Rates of reaction The Collision theory Temperature and the rate of reaction Concentration and the rate of reaction Particle size and the rate of reaction Catalysts and the rate of reaction Reversible reactions Temperature and pressure and equilibrium Choosing reaction conditions 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 10 lessons covers a lot of the content in Topic B5 (Health, disease and development of medicines) of the Edexcel GCSE Biology 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 Plant defences Identification of plant diseases The physical and chemical defences of the human body The use of antibiotics Developing new medicines Monoclonal antibodies 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.

The biological molecules topic is incredibly important, not just because it is found at the start of the course, but also because of its detailed content which must be well understood to promote success with the other 9 Edexcel A-level Biology B topics. Many hours of intricate planning has gone into the design of all of the 18 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 differences between monosaccharides, disaccharides and polysaccharides The structure of glucose and ribose The formation of disaccharides and polysaccharides from monosaccharides The structure of starch, glycogen and cellulose The synthesis of a triglyceride The differences between saturated and unsaturated lipids The relationship between the structure of lipids and their roles The structure and properties of phospholipids The structure of an amino acid The formation of polypeptides and proteins The role of ionic, hydrogen and disulphide bonding in proteins The levels of protein structure The structure of collagen and haemoglobin The structure of DNA The semi-conservative replication of DNA A gene is a sequence of bases on DNA that codes for an amino acid sequence The structure of mRNA The structure of tRNA The process of transcription The process of translation Base deletions, insertions and substitutions as gene mutations The effect of point mutations on amino acid sequences The structure of enzymes as globular proteins The concept of specificity and the induced-fit hypothesis Enzymes are catalysts that reduce activation energy Understand how temperature affects enzyme activity Enzymes catalyse a wide range of intracellular reactions as well as extracellular ones The importance of water for living organisms Due to the detail included in these lessons, it is estimated that it will take in excess of 2 months of allocated A-level teaching time to complete. If you would like to see the quality of the lessons then download the monosaccharides, disaccharides and polysaccharides, glucose and ribose, triglycerides, structure of DNA and transcription lessons as these have been uploaded for free.

This lesson bundle has been formed from the 13 detailed lesson PowerPoints and their accompanying resources that have been uploaded to cover a lot of the content in modules 2.1.4, 2.1.5 and 2.1.6 of the OCR A-level Biology A specification. Each lesson contains a wide range of tasks, which include exam-style questions (with mark schemes), guided discussion points, and quick quiz competitions, that will engage and motivate the students whilst covering the following specification points: Module 2.1.4: Enzymes The role of enzymes in catalysing reactions that affect metabolism at a cellular and whole organism level The role of enzymes in catalysing both intracellular and extracellular reactions The mechanism of enzyme action The effect of pH on enzyme activity The effect of temperature on enzyme activity The calculation of the temperature coefficient The effect of enzyme and substrate concentration on enzyme activity The need for coenzymes, cofactors and prosthetic groups in some enzyme-controlled reactions Module 2.1.5: Biological membranes The fluid mosaic model of membrane structure and the roles of its components Simple and facilitated diffusion as forms of passive transport Active transport, endocytosis and exocytosis as processes requiring ATP as an immediate source of energy The movement of water across membranes by osmosis and the effects that solutions of different water potential can have on plant and animal cells Module 2.1.6: Cell division, cell diversity and cellular organisation The cell cycle How the cell cycle is regulated The main stages of mitosis The significance of mitosis in life cycles The significance of meiosis in life cycles The main stages of meiosis How cells of multicellular organisms are specialised for particular functions The organisation of cells into tissues, organs and organ systems The production of erythrocytes and neutrophils from stem cells in bone marrow If you would like to sample the quality of the lessons in this bundle, then download the following lessons as they have been uploaded for free: The roles of enzymes and mechanism of action Simple and facilitated diffusion Cell specialisation and organisation

This bundle of 9 lessons covers the majority of the content in Topic B1 of the OCR Gateway A GCSE Combined Science specification. The topics covered within these lessons include: Animal and plant cells Prokaryotic cells Light and electron microscopy DNA Enzymes Enzyme activity Aerobic respiration Anaerobic respiration Photosynthesis 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. It is estimated that this bundle would cover about 6 week’s worth of lessons.

This bundle of 13 lessons covers all of the content in Topic C3 (Atoms, elements and compounds) of the core and supplement sections of the Cambridge iGCSE Science Double Award specification. The topics covered within these lessons include: Identifying physical and chemical changes Differences between elements, compounds and mixtures Differences between metals and non-metals The terms solvent, solute, solution and concentration The structure of the atom Electronic configurations Isotopes The formation of ions by gain or loss of electrons Simple covalent structures Dot and cross diagrams for covalent structures Allotropes of carbon Giant covalent structures 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 12 lessons covers a lot of the content in Topic C5 (Separate Chemistry 1) of the Edexcel GCSE Chemistry specification. The topics covered within these lessons include: The transition metals Alloys Concentration of solutions Acid-alkali titration Titration calculations Calculating the percentage yield Calculating the atom economy Molar volume The Haber Process Factors and the position of equilibrium Choosing reaction conditions 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.

Photosynthesis and respiration are two of the most commonly-assessed topics in the terminal A-level exams but are often poorly understood by students. These 14 lessons have been intricately planned to contain a wide range of activities that will engage and motivate the students whilst covering the key detail to try to deepen their understanding and includes exam-style questions so they are prepared for these assessments. The following specification points in modules 5.2.1 and 5.2.2 of the OCR A-level Biology A course are covered by these lessons: The structure of a chloroplast and the sites of the two main stages of photosynthesis The light-dependent stage of photosynthesis The fixation of carbon dioxide and the light-independent stage of photosynthesis The uses of triose phosphate Factors affecting photosynthesis The need for cellular respiration The structure of the mitochondrion The process and site of glycolysis The link reaction and its site in the cell The process and site of the Krebs cycle The importance of coenzymes in cellular respiration The process and site of oxidative phosphorylation The chemiosmostic theory The process of anaerobic respiration in eukaryotes The relative energy values of carbohydrates, lipids and proteins as respiratory substrates The use of the respiratory quotient Due to the detail of these lessons, it is estimated that it will take in excess of 2 months of A-level lessons to cover this module If you would like to sample the quality of the lessons, download the uses of triose phosphate, link reaction and respiratory substrates lessons as these have been shared for free

It’s no coincidence that cell structure and biological molecules find themselves as topics 1 and 2 of the CIE A-level Biology course, because a clear understanding of their content is absolutely critical to promote success with the 17 topics that follow. Hours and hours of intricate planning has gone into the 18 lessons included in this bundle to ensure that the detailed content is relevant and can be understood and that links are made to related sections of topics 3 - 19. The lesson PowerPoints and accompanying resources contain a wide range of activities that include: differentiated exam-style questions with clear mark schemes directed discussion points quiz competitions to introduce key terms and values current understanding and prior knowledge checks Due to the detail included in these lessons, it is estimated that it will take in excess of 2 months of allocated teaching time to cover the content of the resources A number of the resources have been shared for free so these can be downloaded in order to sample the quality of the lessons

This bundle contains 18 detailed and engaging lessons which cover the following specification points in module 3 (Exchange and transport) of the OCR A-level Biology A specification: 3.1.1: Exchange surfaces The need for specialised exchange surfaces The features of an efficient exchange surface The structures and functions of the components of the mammalian gaseous exchange system The mechanism of ventilation in mammals The mechanisms of ventilation and gas exchange in bony fish and insects 3.1.2: Transport in animals The double, closed circulatory system in mammals The structure and functions of arteries, arterioles, capillaries, venules and veins The formation of tissue fluid from plasma The external and internal structure of the heart The cardiac cycle How heart action is initiated and coordinated The use and interpretation of ECG traces The role of haemoglobin in transporting oxygen and carbon dioxide The oxygen dissociation curve for foetal and adult haemoglobin 3.1.3: Transport in plants The structure and function of the vascular systems in the roots, stems and leaves The transport of water into the plant, through the plant and to the air surrounding the leaves The mechanism of translocation As well as the detailed A-level Biology content of the PowerPoint slides, the resources contain a wide range of tasks including guided discussion points, exam-style questions and quiz competitions which will engage and motivate the students

This bundle of 10 lessons covers the majority of the content in Topic B1 (Cell-level systems) of the OCR Gateway A GCSE Biology specification. The topics covered within these lessons include: Plant and animal cells Bacterial cells Light microscopy Electron microscopy DNA Transcription and translation Enzymes Enzyme actions Aerobic respiration Anaerobic respiration Photosynthesis Limiting factors 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.