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 A4.1 Evolution and speciation in the new IB Biology specification This Powerpoint consists of 56 slides and contains the followings: All the information ( HL and SL) 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: A4.1.1: Evolution as change in heritable characteristics of a population. A4.1.2-5: Evidence for evolution A4.1.5-7: Speciation A4.1.8: Types of speciation: allopatric vs sympatric (HL only) A4.1.9-10: Adaptive radiation and barriers to hybridisation (HL only). A4.1.11: Hybridisation and polypoid in speciation (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 A4.2 Ecosystems in the new IB Biology specification This Powerpoint consists of 51 slides and contains the followings: All the information ( HL and SL) 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: A4.2.1: Identify the levels of biodiversity – ecosystem diversity, species diversity and genetic diversity. A4.2.2: Compare the current number of species and past levels of biodiversity. A4.2.3: Describe the causes of anthropogenic species extinction. A4.2.4: Analyse case studies to understand the range of causes of extinction. A4.2.5: Describe the causes of ecosystem loss. A4.2.6: Analyse case studies to understand the range of causes of ecosystem loss. A4.2.7: Analyse evidence for a biodiversity crisis from different sources. A4.2.8: Describe the causes of the current biodiversity crisis. A4.2.9: Describe different ways to conserve biodiversity. A4.2.10: Know the mechanism of conservation prioritisation.

This PowerPoint contains everything you need to teach the Theme/Unit C2.2 Neural signalling 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. Exam tips Clear diagrams Summary videos Student research tasks Clearly identified HL and SL content Student checklist **Exam style questions Summary The following content is included: C2.2.1: Describe the structure of a neuron having a cell body with elongated nerve fibres of varying length projecting from it. C2.2.2: Describe the axon as a long single fibre helping in the conduction of electrical impulse and dendrites as multiple shorter fibres receiving and processing incoming signals. C2.2.3: Describe how energy from ATP drives sodium ions into the membrane causing depolarisation. C2.2.4: Explain the concept of membrane polarisation and membrane potential. C2.2.5: Explain the reasons for resting potential being negative. C2.2.6: Compare the speed in myelinated and non-myelinated fibres. C2.2.7: Explain the role of synapsis in communication between neurons. C2.2.8: Compare and contrast the mechanisms of neurotransmitter release in different types of synapses. C2.2.9: Analyse the factors that affect the magnitude and duration of excitatory postsynaptic potentials. C2.2.10: Describe the process of depolarisation and repolarisation during an action potential. C2.2.11: Evaluate the importance of action potential propagation in neural communication and information processing. C2.2.12: Explain the concept of an oscilloscope and its use in measuring neural activity. C2.2.13: Interpret and analyse oscilloscope traces of resting potentials and action potentials. C2.2.14: Describe the process of saltatory conduction in myelinated fibres. C2.2.15:Compare and contrast the speed and efficiency of action potential propagation in myelinated and unmyelinated fibres. C2.2.16: Describe the effects of exogenous chemicals on synaptic transmission, including drugs and toxins. C2.2.17: Analyse the factors that affect the magnitude and duration of inhibitory postsynaptic potentials. C2.2.18: Understand that multiple presynaptic neurons interact with all-or-nothing consequences in terms of postsynaptic depolarisation. C2.2.19:Understand that nerve endings have channels for positively charged ions, which open in response to a stimulus such as high temperature, acid or certain chemicals such as capsaicin in chilli peppers. C2.2.20:Explain that the entry of positively charged ions causes the threshold potential to be reached and propagation of nerve impulses. C2.2.21:Explain that consciousness is another example of the consequences of interaction.

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 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 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 fantastic resources covers the GCSE and iGCSE content for kidney failure. Formed of over 30 slides, this lesson will take approximately 2-3 hours to teach. It contains: Starter slide Retrieval tasks Explanation of kidney failure Explanation of how dialysis works Explanation of transplantation and rejection Comparision of dialysis and transplant Student questions and answers

This PowerPoint contains everything you need to teach the Schema theory in the cognitive approach unit IB Psychology specification. This Powerpoint contains the followings: All the information ( HL) the IB have included in the new spec. Exam tips Clear diagrams Videos Student research tasks Student worksheet which accompanies the lessons The following content is included: What are schemas? Schemas as mediating processes Schemas as the framework of memory Schema processing Bartlett (1932) – the effect of cultural schemas on memory Roediger et al. (2014) – replicating Bartlett Overall evaluation of schema theory

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 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 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 fantastic resources covers the GCSE and iGCSE content for the The Eye. Formed of over 30 slides, this lesson will take approximately 1-2 hours to teach. It contains: Starter slide with engaging starter Key structure of the eye Explanation of how the eye adjust to near and far objects Iris reflex

This fantastic resources covers the GCSE and iGCSE content for thermoregulation. Formed of over 30 slides, this lesson will take approximately 2-3 hours to teach. It contains: Starter slides Retrieval tasks for other biology topics Negative feedback All key notes and definitions required Explanations on how the body responds to high and low temperatures Plenty of exam style questions with answers

This fantastic resources covers the GCSE and iGCSE content for infertility treatments. Formed of over 20 slides, this lesson will take approximately 2-3 hours to teach. It contains: Starter slide Hormones involved in IVF Steps of IVF Exploring ethical issues of IVF Student led case study activity

This resource is perfect for a Year 9/10 class studying GCSE specialised cells. The lesson contains a starter tasks, recap on prior knowledge, student tasks with answers, research task and plenary. The following content is covered: Starter tasks Definition for specilisation Student worksheet Factsheets for red blood cells, nerve cells, egg and sperm, cililated epithelium, palisade cell, root hair cell, xylem, pholem and muscle cell Plenary tasks

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 A2.1 Origins of cells in the new IB Biology specification for HL only. This Powerpoint consists of 40 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: • A2.1.1: Conditions on early Earth and the formation of prebiotic Carbon. •A2.1.2: Cells as the smallest units of self sustaining life •A2.1.3: Challenge explaining the spontaneous origin of cells. •A2.1.4: Evidence for the origin of carbon compounds •A2.1.5: Spontaneous formation of vesicles by the coalescences of fatty acids to form spherical bilayers •A2.1.6: RNA as a presumed first genetic material •A2.1.7: Evidence for a last common ancestor •A2.1.8: Approaches used to estimate the dates of first living cells under the last universal common ancestor. •A2.1.9: Evidence for the evolution of the last common ancestor in the vicinity of hydrothermal vents.