This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the Theme/Unit D1.1 DNA replication in the new IB Biology specification. YouTube video is a preview of the full resource (does not include all slides) This Powerpoint consists of over 80 slides and contains the followings: All the information the IB have included in the new spec. Clear diagrams Student friendly content Summary videos Student research tasks Clearly identified HL and SL content Student checklist Summary The following content is included: D1.1.1: Describe DNA replication as the process by which exact copies of DNA are created for use in reproduction, growth and tissue replacement in multicellular organisms. D1.1.2: Explain the semi-conservative nature of DNA replication and how it allows for a high degree of accuracy when copying base sequences. D1.1.3: Describe the roles of helicase and DNA polymerase in DNA replication. D1.1.4: Describe the use of polymerase chain reaction and gel electrophoresis for amplifying and separating DNA. D1.1.5: Describe the applications for PCR and gel electrophoresis. D1.1.6: Describe the directionality of DNA polymerases based on the difference between the 5ʹ and 3ʹ terminals of strands of nucleotides. D1.1.7: Describe replication on both the leading and lagging strands and how these differ. D1.1.8: Describe the functions of DNA primase, DNA polymerase I, DNA polymerase III and DNA ligase in replication of prokaryotic DNA. D1.1.9: Explain DNA polymerase III’s role as a proofreader of replicated DNA

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the Theme/Unit D2.3: Water Potential in the new IB Biology specification. YouTube video is a preview of the full resource (does not include all slides) This Powerpoint consists of over 45 slides and contains the followings: All the information the IB have included in the new spec. Clear diagrams Student friendly content Summary videos Student research tasks Clearly identified HL and SL content Student checklist Summary The following content is included: D2.2.1: Explain how water is able to dissolve many substances D2.2.2: Explain the movement of water from less concentrated to more concentrated solutions. D2.2.3: Predict the net movement of water based on the environment of a cell. D2.2.4: Outline the changes that occur to plant tissues bathed in hypotonic and hypertonic solutions. D2.2.5: Explain the effects of water movement into and out of cells on cells that lack a cell wall. D2.2.6: Explain the effects of water movement into and out of cells on cells that have a cell wall. D2.2.7: Outline medical applications of isotonic solutions. D2.2.8: Define the term water potential. D2.2.9: Explain the direction that water moves in terms of water potential. D2.2.10: Explain how solute potential and pressure potential affect the water potential within cells. D2.2.11: Explain the changes that occur when a plant tissue is bathed in either a hypotonic or hypertonic solution in terms of solute and pressure potentials.

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the Theme/Unit D3.3: Homeostasis in the new IB Biology specification. YouTube video is a preview of the full resource (does not include all slides) This Powerpoint consists of over 50 slides and contains the followings: All the information the IB have included in the new spec. Clear diagrams Student friendly content Summary videos Student research tasks Clearly identified HL and SL content Student checklist Summary The following content is included: D3.3.1: Define the concept of homeostasis in relation to specific examples of variables. D3.3.2: Explain the role of negative feedback mechanisms in maintaining homeostasis. D3.3.3: Outline the role of pancreatic hormones in regulating blood glucose. D3.3.4: Outline the role of negative feedback mechanisms in regulating blood glucose. D3.3.5: Describe the physiological changes that form the basis of type 1 and type 2 diabetes. D3.3.6: Describe the roles of thermoreceptors and hypothalamus in regulating body temperature. D3.3.7: Outline the mechanisms in regulating human body temperature. D3.3.8: Define osmoregulation and excretion. D3.3.9: Explain the roles of the glomerulus, Bowman’s capsule and proximal convoluted tubule in excretion. D3.3.10: Outline the functions of the loop of Henle and collecting ducts. D3.3.11: Explain the effect of ADH on the permeability of the kidney tubules. D3.3.12: Describe examples of changes in blood supply in response to changes in activity.

This excellent resource contains 2-3 lessons which cover Chemical energetics. Each lesson contains a starter activity with answers, notes, research tasks, questions with answers, practicals. The lessons include the follwing content: Core: State that an exothermic reaction transfers thermal energy to the surroundings leading to an increase in the temperature of the surroundings State that an endothermic reaction takes in thermal energy from the surroundings leading to a decrease in the temperature of the surroundings Interpret reaction pathway diagrams showing exothermic and endothermic reactions Supplement: State that the transfer of thermal energy during a reaction is called the enthalpy change, ∆H, of the reaction. ∆H is negative for exothermic reactions and positive for endothermic reactions Define activation energy, Ea , as the minimum energy that colliding particles must have to react Draw and label reaction pathway diagrams for exothermic and endothermic reactions using information provided, to include: (a) reactants (b) products © enthalpy change of the reaction, ∆H (d) activation energy, Ea State that bond breaking is an endothermic process and bond making is an exothermic process and explain the enthalpy change of a reaction in terms of bond breaking and bond making Calculate the enthalpy change of a reaction using bond energies **This resource can be used to teach IGCSE Chemistry (C5) or iGCSE Co-ordinated science (C6). **

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the B4.2 Ecological niches in the new IB Biology specification. **YouTube video is a preview of the full resource (does not include all slides) ** This Powerpoint consists of 60 slides and contains the followings: All the information the IB have included in the new spec. Exam tips Clear diagrams Student research tasks Clearly identified HL and SL content Student checklist Summary The following content is included: B4.2.1: Explain what biotic and abiotic interactions are and how they influence growth, survival and reproduction, including how a species obtains food. B4.2.2: Explain the differences between obligate anaerobes, facultative anaerobes and obligate aerobes. B4.2.3: Summarise the process of photosynthesis as the mode of nutrition in plants, algae and several groups of photosynthetic prokaryotes. B4.2.4: Explain the various modes of holozoic, mixotrophic, saprotrophic nutrition. B4.2.5: Give details of the diversity of nutrition in archaea. B4.2.6: Summarise the relationship between dentition and the diet of omnivorous and herbivorous representative members of the family Hominidae. B4.2.7: Infer the diet of several hominid species from anatomical features. B4.2.8: Describe the adaptations of herbivores for feeding on plants and of plants for resisting herbivory. B4.2.9:Describe the adaptations of predators for finding, catching and killing prey and of prey animals for resisting predation. B4.2.10: Describe the adaptations of plants for harvesting light. B4.2.11: Describe and explain the differences between the fundamental and the realised niches. B4.2.12:Explain the concept of competitive exclusion and the uniqueness of ecological niches

This resource is perfect for a Year 9/10 class studying GCSE Osmosis. The lesson contains a starter tasks, recap on prior knowledge, student tasks with answers, exam style questions and practical tasks. The following content is covered: Explanation of osmosis Comparison of osmosis with diffusion How osmosis affects plants and animals cells Practical method on how Osmosis affects plant cells Exam questions Plenary

The lesson is the perfect introduction to moments for a mixed ability class. The lesson contains: Starter tasks Explanation of moments Formula for moments explained Calculations worsheet Practical guidance and student worksheet Levers Exam style questions

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the A3.1 Diversity of Organisms in the new IB Biology specification. This Powerpoint consists of 93 slides and contains the followings: All the information ( HL) the IB have included in the new spec. Exam tips Clear diagrams Videos Student research tasks Clearly identified HL and SL content The following content is included: A3.1.1: variation between organisms as a defining feature of life. A3.1.2: Species as groups of organisms with shared traits. A3.1.3: Binominal system for naming organisms A3.1.4: Biological species concept A3.1.5: Difficulties distinguishing between populations and species due to divergence and non-interbreeding populations during speciation. A3.1.6: Diversity in chromosome numbers of plant and animal species. A3.1.7: Karyotyping and karyograms A3.1.8: Unity and diversity of genomes between species. A3.1.8: Diversity of eukaryotic genomes A3.1.10: Comparison of genome sizes A3.1.11: Current and potential future uses of whole genomic sequencing. A3.1.12: Difficulties applying the biological species concept to asexually reproducing species and to bacteria that have horizontal gene transfer (HL only). A3.1.13: Chromosome number as a shared trait within a a species. A3.1.14: Engagement with local plant or animal species to develop dichotomous keys. A3.1.15: Identification of species from environmental DNA in a habitat using barcodes.

This PowerPoint contains everything you need to teach Quantitative research methods in the approaches to researching behaviour unit of IB Psychology specification. YouTube video is a preview of the full resource (does not include all slides) This Powerpoint (over 120 slides) and two student workbooks contains the followings: All the information ( HL) the IB have included in the new spec. Clear diagrams Videos Extended writing question Student research tasks Two student workbook which accompanies the lessons Topics covered include: Introduction to quantitative research methods Research design Experimental method Internal validity Sampling Types of experiments Validity Reliability Correlations Ethics Practice exam

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the B2.3 Cell specialisation in the new IB Biology specification. **YouTube video is a preview of the full resource (does not include all slides) ** This Powerpoint consists of 45 slides and contains the followings: All the information ( HL) the IB have included in the new spec. Exam tips Clear diagrams Student research tasks Clearly identified HL and SL content Student checklist Summary The following content is included: B2.3.1: Explain how unspecialised cells form following fertilisation and how gradients impact gene expression for further development of the embryo. B2.3.2: Outline the properties of stem cells and their different capabilities to become different cell types. B2.3.3: Explain the function of stem cell niches and be able to describe bone marrow and hair follicles as examples of these. B2.3.4: Describe the size differences in various human cells. B2.3.5: Discuss the relationship between cells size and surface area in terms of the movement of material across a cell. B2.3.6: Identify and describe cell types that increase surface area-to-volume ratios B2.3.7: Describe specific adaptations that cells in the lung, heart, muscle and gonads have undergone to perform their functions.

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the B3.2 Transport in the new IB Biology specification. YouTube video is a preview of the full resource (does not include all slides) This Powerpoint consists of 100 slides and contains the followings: All the information ( HL) the IB have included in the new spec. Exam tips/Reflections Clear diagrams Student research tasks Clearly identified HL and SL content Student checklist Summary The following content is included: B3.2.1:Describe the structures of the arteries, capillaries and veins and explain how they are adapted for their functions. B3.2.2: Outline different methods of measuring pulse rate. B3.2.3: Outline the causes and consequences of occlusion of the coronary arteries. B3.2.4:Explain how water is transported from the roots to the leaves during transpiration. B3.2.5: Outline the adaptation of the xylem vessels for the transport of water. B3.2.6: Draw and annotate plan diagrams from micrographs showing the distribution of tissues in a transverse section of the stem of a dicotyledonous plant, and dicotyledonous root. B3.2.7: Describe how tissue fluid is released and taken back up by the capillaries. B3.2.8: Compare and explain the composition of plasma and tissue fluid. B3.2.9: Outline how excess tissue fluid is drained into lymph ducts. B3.2.10: Compare the single circulation of bony fish to the double circulation of mammals. B3.2.11: Explain the adaptations of the mammalian heart for delivering pressurised blood to the arteries. B3.2.12: Outline the stages of the cardiac cycle. B3.2.13: Explain how root pressure is generated in xylem vessels B3.2.14: Outline the adaptations of phloem sieve tubes and companion cells for the translocation of sap.

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the Theme/Unit C1.1 Enzymes in the new IB Biology specification. **YouTube video is a preview of the full resource (does not include all slides) ** This Powerpoint consists of over 60 slides and contains the followings: All the information the IB have included in the new spec. Exam tips Clear diagrams Student research tasks Clearly identified HL and SL content Student checklist Summary The following content is included: C1.1: Define metabolism. C1.2: Distinguish between anabolism and catabolism and give examples. C1.3: Describe the structure and role of enzymes. C1.4: Describe the mechanism of enzyme catalysis. C1.5: Describe the role of molecular motion and substrate–active site collisions in enzyme catalysis. C1.6: Explain the relationship between the structure of the active site, enzyme–substrate specificity and denaturation. C1.7: Explain the effect of enzymes on the activation energy. C1.8: Explain the effect of temperature, pH, substrate concentration on the enzyme activity. C1.9: Determine reaction rate through experimentation and secondary data. C1.10:Distinguish intracellular and extracellular enzyme-catalysed reactions. C1.11: Distinguish cyclical and linear pathways in metabolism. C1.12: Explain the generation of heat by metabolic reactions. C1.13: Distinguish competitive and non-competitive inhibition and give examples. C1.14: Explain the end-product inhibition and give examples. C1.15: Explain mechanism-based inhibition.

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the Theme/Unit C1.3 Photosynthesis in the new IB Biology specification. **YouTube video is a preview of the full resource (does not include all slides) ** This Powerpoint consists of over 50 slides and contains the followings: All the information the IB have included in the new spec. Exam tips Clear diagrams Student research tasks Clearly identified HL and SL content Student checklist Summary The following content is included: C1.3.1: Explain how the energy transformation of light energy to chemical energy is needed for most life processes in ecosystems. C1.3.2: Describe photosynthesis as the conversion of carbon dioxide to glucose. C1.3.3: Describe the production of oxygen as a by-product of photosynthesis. C1.3.4: Describe the process of chromatography for separating pigments and the use of Rf values to identify pigments. C1.3.5: Describe and explain the absorption of different wavelengths of light by photosynthetic pigments. C1.3.6: Compare absorption and action spectra C1.3.7: Determine through investigation the effects of limiting factors on the rate of photosynthesis. C1.3.8: Describe carbon dioxide enrichment experiments as a means of predicting future rates of photosynthesis and plant growth. C1.3.9: Describe photosystems as arrays of pigments within membranes of photosynthetic organisms that generate and emit excited electrons. C1.3.10: Explain the advantage that an array of pigments in a photosystem has over individual pigment molecules. C1.3.11: Describe the photolysis of water in terms of a means of replacing lost electrons in photosystem II and the production of oxygen as a waste product. C1.3.12: Describe the production of ATP by chemiosmosis through both cyclic and non-cyclic photophosphorylation. C1.3.13: Describe the reduction of NADP by photosystem I. C1.3.14: Explain the importance of the thylakoids as the site of photolysis, chemiosmosis and reduction of NADP. C1.3.15: Describe  carbon fixation by Rubisco and the significance  of Rubisco as an enzyme. C1.3.16: Describe the process of generating triose phosphate using ATP and reduced NADP. C1.3.17: Describe the regeneration of RuBP and the completion of the Calvin Cycle using ATP. C1.3.18: Describe the production of a variety of carbon compounds from photosynthesis. C1.3.19: Explain the link between the light-dependent and light-independent reactions and how the light-independent reactions cannot continue in the absence of light.

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the B3.3 Muscle and motility in the new IB Biology specification. **YouTube video is a preview of the full resource (does not include all slides) ** This Powerpoint consists of 68 slides and contains the followings: All the information ( HL) the IB have included in the new spec. Exam tips Clear diagrams Student research tasks Clearly identified HL and SL content Student checklist Summary The following content is included: B3.3.1: Recognise the concept of movement in different species. B3.3.2: Outline the structure of a sarcomere. B3.3.3: Explain how a sarcomere contracts. B3.3.4: Outline the role of titin and antagonistic muscles in muscle relaxation. B3.3.5: Describe the structure and function of motor units in skeletal muscles. B3.3.6: Outline the role of the skeleton as anchorage for muscles and as levers. B3.3.7: Explain the role of the different components of a joint. B3.3.8: Compare the range of motion of a joint. B3.3.9: Explain the antagonistic action of the internal and external intercostal muscles. B3.3.10: Give examples of reasons for locomotion. B3.3.11: Describe adaptations for swimming in marine mammals.

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the Theme/Unit D2.2: Gene expression (HL only) in the new IB Biology specification. YouTube video is a preview of the full resource (does not include all slides) This Powerpoint consists of over 40 slides and contains the followings: All the information the IB have included in the new spec. Clear diagrams Student friendly content Summary videos Student research tasks Clearly identified HL and SL content Student checklist Summary The following content is included: D2.2.1: Explain the term gene expression. D2.2.1: Outline how transcription can be regulated by proteins that bind to DNA. D2.2.1: Outline how translation can be regulated through the degradation of mRNA. D2.2.1: Explain the term epigenesis. D2.2.1: Describe the differences between the genome, transcriptome and proteome of individual cells. D2.2.1: Outline how methylation can affect gene expression. D2.2.1: Identify why some epigenetic changes are heritable. D2.2.1: Describe examples of how the environment can affect gene expression. D2.2.1: Outline consequences of removing epigenetic tags from human gametes. D2.2.1: Discuss the use of monozygotic twins to study gene expression. D2.2.1: Describe examples of external factors that can impact gene expression.

This bundle consists of 9 end of unit exams for: B1.1: Lipids and carbohydrates B1.2: Proteins B2.1: Membranes and membrane transport B2.2: Organelles and compartmentalisation B2.3: Cell specialisation B3.1: Gas exchange B3.2: Transport B3.3: Muscles and motility B4.1: Adaptations to the environment B4.2: Ecological niches Each exam can be used as an end of topic exam and consists of: 7-10 multiple choice questions Questions using IB command terms: state, explain, analyse, describe Data based question Mark schemes included

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the A2.3 Viruses in the new IB Biology specification for HL This Powerpoint consists of 34 slides and contains the followings: All the information ( HL) the IB have included in the new spec. Exam tips Clear diagrams Videos Student research tasks Clearly identified HL and SL content Student checklist The following content is included: A2.3.1: Structural features common to viruses A2.3.2: Diversity of structures in viruses. A2.3.3: Lytic cycle of a virus A2.3.4: Lysogenic cycle of a virus A2.3.5: Evidence for several origins of viruses from other organisms A2.3.6: Rapid evolution in viruses

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the Theme/Unit D1.3: Mutations and gene editing in the new IB Biology specification. YouTube video is a preview of the full resource (does not include all slides) This Powerpoint consists of over 50 slides and contains the followings: All the information the IB have included in the new spec. Clear diagrams Student friendly content Summary videos Student research tasks Clearly identified HL and SL content Student checklist Summary The following content is included: D1.3.1: Explain that gene mutations are structural changes to genes at the molecular level. D1.3.2: Outline the consequences of base substitutions. D1.3.3: Outline the consequences of insertions and deletions. D1.3.4: Recall that gene mutations can be caused by mutagens and by errors in DNA replication or repair. D1.3.5: Explain that mutations can occur anywhere in the base sequences of a genome. D1.3.6: Explain the effects of gene mutations occurring in germ cells and somatic cells. D1.3.7: Recognise that gene mutation is the original source of all genetic variation. D1.3.8: Outline that gene knockout is a technique for investigating the function of a gene by changing it to make it inoperative. D1.3.9: Explain the use of the CRISPR sequences and the enzyme Cas9 in gene editing. D1.3.10: Describe the hypotheses for conserved or highly conserved sequences in genes

This lesson is perfect in teaching students to write effective 22 mark essays in IB psychology. It includes: Exam tips Marking criterias Marking criterias explained Essay template Exemplar essay