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 A1.1 water in the new IB Biology specification for both HL and SL. This Powerpoint consists of 43 slides and contains the following: Starter task All information is clearly presented Student tasks with answers All key terms Notes for students Exam style questions with answers Student checklist (great for revision at the end of the unit) The following content is covered: A1.1: Water as a medium of life A1.2: Hydrogen bonds are a consequence of polar covalent bonds within a water molecule. A1.3: Cohesion of water molecules due to hydrogen bonds and the consequences for organisms A1.4: Adhesion of water molecules to polar or charged materials and the impact for organisms. A1.5: Solvent properties of water linked to its role as a medium for metabolism and transport in plants and animals A1.6: Physical properties of water and the consequences for animals in aquatic habitats. A1.7: Extraplanetary origins of water on Earth and reasons for it´s retention (HL ONLY) A1.8: Relationship between the search for extra-terrestrial life and the presence of water (HL ONLY)

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 A1.2 nucleic acids in the new IB Biology specification for both HL and SL. This Powerpoint consists of 63 slides and contains the followings: All the information (both SL and HL) the IB have included in the new spec. Exam tips Clear diagrams Videos Student questions with answers Clearly identified HL and SL content Student checklist The following content is included: A1.2.1: DNA is the universal genetic material of all living organisms. A1.2.1: The structure of a nucleotide A1.2.3: Sugar-phosphate backbone/bonding of DNA and RNA A1.2.4: Bases in DNA and RNA A1.2.5: RNA as a polymer of nucleotides formed by condensation reactions. A1.2.6: Structure of the DNA double helix A1.2.7: Differences between DNA and RNA A1.2.8: Importance of complementary base pairing A1.2.9: Limitless capacity of DNA to store genetic information A1.2.10: Conservation of the genetic code (evidence for common ancestry) A1.2.11: Directionality of DNA and RNA (HL only) A1.2.12: Purine to Pyrimidine base pairing (HL only) A1.2.13: Structure of the nucleosome (HL only) A1.2.14: Hershey-Chase experiment: Evidence of DNA as a genetic material (HL only) A1.2.15: Chargaff´s rule: relative amounts of purine´s and pyrimidine´s (HL only)

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 D4.3: Climate change 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: D4.3.1: Define anthropogenic climate change and describe its causes. D4.3.2: Outline the positive feedback cycles in global warming, with examples. D4.3.3: Describe the transition from net carbon accumulation to net loss in boreal forests as an example of a tipping point. D4.3.4: Explain the melting of landfast ice and sea ice as examples of polar habitat change. D4.3.5: Explain the effects of climate change on ocean currents and nutrient distribution. D4.3.6: Understand the effect of climate change on range shifts of temperate species and coral reefs. D4.3.7: Evaluate afforestation, forest regeneration and restoration of peat-forming wetlands as approaches to carbon sequestration. D4.3.8: Define phenology and outline the disruption of phenological events caused by climate change D4.3.9: Explain how climate change can lead to increases in the number of insect life cycles. D4.3.10: Discuss the concept of evolution as a consequence of climate change.

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 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 Updated November 2024 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 PowerPoint contains everything you need to teach the Enculturation in the sociocultural approach unit of IB Psychology specification. YouTube video is a preview of the full resource (does not include all slides) This Powerpoint contains the followings: All the information the IB have included in the new spec. Clear diagrams Extended writing question Student research tasks *** Student workbook which accompanies the lessons ** Content included: Emic and etic perspectives Universalistic and relativistic perspectives Enculturation explained Gate keepers Enculturation links to conformity, SIT and memory Key case studies on enculturation and social learning theory Key case studies on enculturation and gender roles

This PowerPoint contains everything you need to teach the pheromones and behavior in the biological approach unit of IB Psychology specification. YouTube video is a preview of the full resource (does not include all slides) This Powerpoint contains the followings: All the information the IB have included in the new spec. Clear diagrams Extended writing question Student research tasks Student workbook which accompanies the lessons Content included: What are pheromones? How do Pheromones work? Do humans produce pheromones? Research studies into pheromones: attractiveness, mating & infant suckling.

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 Updated November 2024 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 PowerPoint contains everything you need to teach the flashbulb memories in the cognitive approach unit of IB Psychology specification. YouTube video is a preview of the full resource (does not include all slides) This Powerpoint contains the followings: All the information ( HL) the IB have included in the new spec. Clear diagrams Extended writing question Student research tasks Student workbook which accompanies the lessons Content included: What is a flashbulb memory? Several case studies investigating flashbulb memories. Exploring rehearsal and encoding in flashbulb memories Exam style question on emotions memory.

This PowerPoint contains everything you need to teach the amygdala & memory in the cognitive approach unit of IB Psychology specification. YouTube video is a preview of the full resource (does not include all slides) This Powerpoint contains the followings: All the information ( HL) the IB have included in the new spec. Clear diagrams Videos Extended writing question Student research tasks Student workbook which accompanies the lessons Content included: The role of the amygdala & hippocampus Independent roles of the amygdala and hippocampus in memory The effects of emotions on memory Key case studies looking into how emotions effect memory Summary

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 D4.2: Stability and change 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. Clear diagrams Student friendly content Summary videos Student research tasks Clearly identified HL and SL content Student checklist Summary The following content is included: D4.2.1: Define ‘ecosystem stability’, including some examples of stable ecosystems. D4.2.2: Outline the factors that affect stability and explain tipping points, using deforestation of the Amazon rainforest as an example. D4.2.3: Evaluate the use of models to investigate the effect of variables on ecosystem stability. D4.2.4: Explain the role of keystone species in the stability of ecosystems. D4.2.5: Evaluate the sustainability of resource harvesting from natural ecosystems. D4.2.6: Outline the factors affecting the sustainability of agriculture. D4.2.7: Explain eutrophication and its effects on ecosystems. D4.2.8: Outline biomagnification of pollutants. D4.2.9: Describe the effects of microplastic and macroplastic pollution of the oceans. D4.2.10: Describe the strategies for restoration of natural processes in ecosystems by rewilding. D4.2.11: Define ecological succession and outline the causes. D4.2.12: Describe the changes during primary succession. D4.2.13: Describe cyclical succession. D4.2.14: Distinguish between climax communities and arrested succession.

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 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 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 D1.2 Protein synthesis 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. Clear diagrams Student friendly content Summary videos Student research tasks Clearly identified HL and SL content Student checklist Summary The following content is included: D1.2.1:Describe transcription as the synthesis of RNA using DNA as a template. D1.2.2: Describe the use of hydrogen bonding and complementary base pairing in transcription and the replacement of thymine with uracil in RNA. D1.2.3: Describe how DNA is used as a template for transcription, remains stable and unchanged. D1.2.4: Explain the use of transcription and its control of gene expression. D1.2.5: Describe translation as the use of the mRNA produced in transcription to synthesise polypeptides. D1.2.6: Describe the roles of mRNA, ribosomes and tRNA in translation. D1.2.7: Describe complementary base pairing between the codons on mRNA and the anticodons on tRNA. D1.2.8: Explain the main features of degeneracy and universality of the genetic code. D1.2.9: Deduce the sequence of amino acids from an mRNA strand using a table of mRNA codons. D1.2.10: Describe the elongation process of translation. D1.2.11: Describe how a point mutation can affect the polypeptide produced. D1.2.12: Describe the directionality of transcription and translation as 5′ to 3′. D1.2.13: Describe the role of the promoter in transcription and how the binding of transcription factors to the promoter initiate transcription. D1.2.14: Explain the roles of non-coding regions of DNA. D1.2.15: Explain post-transcriptional modification of mRNA in eukaryotes. D1.2.16: Describe how alternative splicing can produce variants of a protein. D1.2.17: Describe the initiation stage of translation. D1.2.18: Describe the modification of polypeptides to their functional state using pre-proinsulin to insulin as an example. D1.2.19: Describe the recycling of amino acids by proteasomes

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 PowerPoint contains everything you need to teach Biases in thinking and decision making in the cognitive approach unit of IB Psychology specification. YouTube video is a preview of the full resource (does not include all slides) This Powerpoint contains the followings: All the information ( HL) the IB have included in the new spec. Clear diagrams Videos Extended writing question Student research tasks Student workbook which accompanies the lessons

This PowerPoint contains everything you need to teach reconstructive memory in the cognitive approach unit of IB Psychology specification. YouTube video is a preview of the full resource (does not include all slides) This Powerpoint contains the followings: All the information ( HL) the IB have included in the new spec. Clear diagrams Videos Extended writing question Student research tasks Student workbook which accompanies the lessons

This PowerPoint contains everything you need to teach Conformity and factors affecting conformity in the sociocultural approach unit of IB Psychology specification (the individual and the group). YouTube video is a preview of the full resource (does not include all slides) This Powerpoint contains the followings: All the information ( HL) the IB have included in the new spec. Clear diagrams Videos Extended writing question Student research tasks Student workbook which accompanies the lessons

This PowerPoint contains everything you need to teach Conformity and factors affecting conformity in the sociocultural approach unit of IB Psychology specification (the individual and the group). YouTube video is a preview of the full resource (does not include all slides) This Powerpoint contains the followings: All the information ( HL) the IB have included in the new spec. Clear diagrams Videos Extended writing question Student research tasks Student workbook which accompanies the lessons

This PowerPoint contains everything you need to teach Stereotypes and their effects in the sociocultural approach unit of IB Psychology specification (the individual and the group). **YouTube video is a preview of the full resource (does not include all slides) ** This Powerpoint contains the followings: All the information ( HL) the IB have included in the new spec. Clear diagrams Videos Extended writing question Student research tasks **Student workbook which accompanies the lessons ** Content covered includes: Key definitions Case studies Sherif´s experiments of group dynamics and stereotypes Impacts of stereotypes 4 key approaches to understanding stereotypes Positive stereotypes Evaluating research into stereotypes