This bundle consists of 9 end of unit exams for Theme/Unit C of the new IB Biology specification: C1.1: Enzymes C1.2: respiration C1.3: photosynthesis C2.1: Chemical signalling (HL only) C2.2: Neural signalling C3.1: Integration of body systems C3.2: Defence against disease C4.1: Populations and communities C4.2: Transfer of energy and matter Each exam can be used as an end of topic exam and consists of: 10 multiple choice questions Questions using IB command terms: state, explain, analyse, describe Data based question Mark schemes included

This PowerPoint contains everything you need to teach Animal research in the biological approach unit of IB Psychology specification. These Powerpoints contain the following: All the information the IB have included in the new spec. Clear diagrams Extended writing question Student research tasks All key case studies explained in detailed including evaluations Student workbook which accompanies the lessons is included Content included: Animal research on the brain Animal research on hormones Animal research on genetics Ethical considerations and critical analysis of animal research Exam questions

This PowerPoint contains everything you need to teach the Theme/Unit C4.1 populations and communities 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 Exam style questions Summary The following content is included: C4.1.1: Define the term population. C4.1.2: Outline reasons for estimating population samples. C4.1.3: Analyse and explain the importance of using random sampling techniques in ecological studies. C4.1.4: Outline how quadrat sampling is used to estimate the population size for sessile organisms. C4.1.5: Outline how the capture-mark-release-recapture method and the Lincoln index are implemented to estimate the population size of a motile species.  C4.1.6: Define carrying capacity and explain why population growth slows down as the carrying capacity is reached. C4.1.7: Distinguish between density-dependent and density-independent limiting factors. C4.1.8: Compare and contrast exponential and sigmoidal population growth models. C4.1.8: Evaluate the use of models as representations of natural phenomena. C4.1.9: Describe the impact of intraspecific competition and cooperation on the survival and reproduction of a population. C4.1.10: Define communities as diverse collections of populations that interact and contribute to the functioning of ecosystems. C4.1.11: Distinguish between multiple interspecific interactions. C4.1.12: Discuss the ecological significance of interactions between species. C4.1.13: Outline examples of herbivory, predation, competition, parasitism, pathogenicity and mutualism. C4.1.14: Evaluate the impact of invasive species on endemic species. C4.1.15: Outline the role of human activities in the introduction and spread of invasive species. C4.1.16: Assess the presence of interspecific competition using different testing methods. C4.1.17: Apply the chi-squared test to determine an association between species. C4.1.18: Interpret the results of a chi-squared test to generate accurate conclusions. C4.1.19: Evaluate the validity of the chi-squared test as a statistical method for analysing associations between categorical variables. C4.1.20:Evaluate the influence of predator–prey interactions on population dynamics using real case studies. C4.1.21: Discuss the implications of top-down and bottom-up control in population regulation within communities. C4.1.22: Compare and contrast allelopathy and antibiotic secretion mechanisms of competitive advantage in different organisms

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 C4.2 Transfer of energy and matter 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 Exam style questions Summary The following content is included: C4.2.1: Explain the concept of ecosystems as open systems. C4.2.2: Describe the role of sunlight in ecosystems. C4.2.3: Outline the flow of energy through food chains and food webs. C4.2.4: Construct food chains and food webs to represent feeding relationships in a community. C4.2.5: Describe the role of decomposers in nutrient cycling. C4.2.6: Distinguish between autotrophic and heterotrophic modes of nutrition. C4.2.7: Classify organisms into trophic levels based on their position in a food chain or food web. C4.2.8: Construct an energy pyramid based on ecological data. C4.2.9: Explain the factors that contribute to energy losses in food chains. C4.2.10: Outline the causes and consequences of heat dissipation in food chains. C4.2.11: Describe the factor that restricts the number of trophic levels in a food chain. C4.2.12: Compare and contrast primary and secondary productivity. C4.2.13: Explain the factors that affect primary productivity in an ecosystem C4.2.14: Construct an accurate diagram of the carbon cycle. C4.2.15: Explain the factors influencing an ecosystem’s capacity to function as a carbon sink or a source. C4.2.16: Discuss the impact of deforestation on the carbon cycle.  C4.2.17: Describe how combustion of fossil fuels and biomass affects the carbon cycle. C4.2.18: Analyse and explain the short-term and long-term trends shown in the Keeling Curve. C4.2.19: Explain the significance of photosynthesis and aerobic respiration in sustaining life on Earth. C4.2.20: Explain the importance of cycles of matter in the functioning of ecosystems.

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 PowerPoint contains everything you need to teach Social identity theory and minimal group paradigm in 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: obedience to authority and Milgram´s experiment Identity and group identity Elements of social identity theory Minimum group paradigm Tajfel´s 1970 experiments on the minimum group paradigm Evaluation of social identity theory e.g. reluctant members, co-operation between groups and realistic group conflict theory

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 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 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 D3.2: Inheritance 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 100 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: D3.2.1: Outline that haploid cells (with a single copy of a gene) produced by each parent can fuse to form a diploid zygote with two copies of a gene. D3.2.2: Explain methods for how flowering plants are genetically crossed. D3.2.3: Distinguish between genotype (combination of inherited alleles) and phenotype (observable traits resulting from genotype plus environmental factors). D3.2.4: Explain the ways that members of the same species can have variety in the gene pool. D3.2.5: Describe the inheritance of different blood types. D3.2.6: Compare and contrast the differences between incomplete dominance and codominance. D3.2.7: Describe that the sperm determines sex in humans. D3.2.8: Describe haemophilia as an example of a sex-linked genetic disorder. D3.2.9: Illustrate how pedigree charts are used to determine inheritance in family members. D3.2.10: Distinguish between continuous variation such as skin colour and discrete variation such as ABO blood group. D3.2.11: Illustrate continuous variables using box-and-whisker plots. D3.2.12: Explain how unlinked genes segregate and assort independently in meiosis. D3.2.13: Predict the inheritance of pairs of unlinked genes in dihybrid crosses. D3.2.14: Predict genotypic and phenotypic ratios in dihybrid crosses of unlinked autosomal genes using Punnett grids. D3.2.15: Explain why linked genes fail to assort independently. D3.2.16: Deduce genotypic and phenotypic possibilities of crosses of individuals heterozygous for two traits with those homozygous recessive for both traits in both linked and unlinked genes. D3.2.17: Calculate statistical significance of observed vs calculated data using chi-squared tests.

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 D4.1: Natural selection 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: D4.1.1: Recognise that natural selection is the mechanism that drives evolutionary change. D4.1.2: Explain the roles of mutation and sexual reproduction in generating variation. D4.1.3: Identify and explain the biotic and abiotic factors that promote natural selection. D4.1.4: Explain that differences in adaptation, survival and reproduction form the basis of natural selection. D4.1.5: Recall that heritable changes lead to evolutionary change. D4.1.6: Define sexual selection as a special case of natural selection. D4.1.7: Describe the effects of sexual and natural selection through simulation of selection pressure. D4.1.8: Define the concept of a gene pool. D4.1.9: Describe the changes that occur in allele frequencies in geographically isolated populations. D4.1.10: State the causes for the changes in allele frequency in the gene pool. D4.1.11:  Differentiate among directional, disruptive and stabilising selection. D4.1.12: Define Hardy-Weinberg equilibrium. D4.1.13: Identify the Hardy-Weinberg conditions that need to be maintained for genetic equilibrium in a population

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 bundle contains 41 comprehensive checklist for the IB Biology (first exams 2025) syllabus. Each checklist contains a detailed breakdown of the content students are expected to know. The checklist use a RAG system (Red, Amber, Green) which students use to evaluate their understanding: Red: Students is not familiar with the objective and need to revise Amber: Student is somewhat familiar with the objective but still need to revise Green: Student is confident with the objective. These checklist are fantastic for supporting students with their revision for either end of year exams, end of topic revision or for their actual IB exams. Both word and pdf versions

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.