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 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 B3.1 Gas exchange in the new IB Biology specification. **YouTube video is a preview of the full resource (does not include all slides) ** This Powerpoint consists of 90 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: B3.1.1: Outline the need for gas exchange in living organisms. B3.1.2: Describe properties of gas-exchange surfaces. B3.1.3: Explain how concentration gradients are maintained at exchange surfaces in animals. B3.1.4: Describe the adaptations of mammalian lungs for gas exchange. B3.1.5: Explain the process of ventilation. B3.1.6: Determine measurements of lung volumes. B3.1.7: Outline the adaptations of leaves for gas exchange. B3.1.8: Draw and label a plan diagram to show the distribution of tissues in a transverse section of a dicotyledonous leaf. B3.1.9: Outline the process of transpiration and the factors that affect the rate of transpiration. B3.1.10: Determine stomatal density. B3.1.11: Outline the adaptations of foetal and adult haemoglobin for the transport of oxygen. B3.1.12: Explain the Bohr shift and the benefits for respiring tissues. B3.1.13: Analyse and explain oxygen dissociation curves.

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 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 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 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 B4.1 Adaptations to environment 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 ( 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: B4.1.1: Define habitat as a place in which a community, species, population or organism lives. B4.1.2: Define adaptation and discuss various ways that organisms have adapted to the abiotic factors of their habitat particularly the sand dunes and mangrove swamp. B4.1.3: Explain how abiotic variables affect a species distribution and contribute to its range of tolerance. B4.1.4: Use transect data to correlate the distribution of an organism using sensors and data loggers. B4.1.5: State the conditions required for coral reef formation. B4.1.6: Describe how abiotic factors act as the determinants of terrestrial biome distribution. B4.1.7: Recognise biomes as groups of ecosystems with similar communities due to similar abiotic conditions and convergent evolution B4.1.8: State the adaptations to life in hot deserts and tropical rainforest.

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 C1.2 Respiration 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. Exam tips Clear diagrams Student research tasks Clearly identified HL and SL content Student checklist Summary The following content is included: C1.2.1: Explain what ATP is and how it functions as a cell’s energy currency. C1.2.2: Describe processes within cells that use ATP as an energy source. C1.2.3: Describe the interconversions and energy changes between ATP and ADP. C1.2.4: Describe cell respiration as the process that produces ATP using energy from carbon compounds and be able to distinguish between cell respiration and gas exchange. C1.2.5: Distinguish between aerobic and anaerobic respiration. C1.2.6: Describe the variables that affect the rate of cell respiration and be able to calculate the rate of respiration. C1.2.7: Explain the role of NAD as a hydrogen carrier in cell respiration. C1.2.8: Describe the conversion of glucose to pyruvate by the process of glycolysis. C1.2.9: Describe anaerobic respiration as a means to regenerate NAD, producing lactate as a by-product. C1.2.10: Describe anaerobic respiration in yeast and how we make use of it for brewing and baking. C1.2.11: Describe the link reaction and the conversion of pyruvate to acetyl groups. C1.2.12: Describe the Krebs cycle. C1.2.13: Explain how NAD transfers energy to the electron transport chain (ETC) for the pumping of protons across the inner mitochondrial membrane. C1.2.14: Describe the establishment of a proton gradient across the inner membrane by the flow of electrons through the ETC. C1.2.15: Describe the formation of ATP via chemiosmosis. C1.2.16: Outline the role of oxygen as the final electron acceptor. C1.2.17: Outline how carbohydrates and lipids are used differently in the cell respiration pathway.

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 C2.1 Chemical 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 70 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 Summary The following content is included: C2.1.1: Define the term ligand. C2.1.2: Outline the stages of signal transduction. C2.1.3: Explain the mechanism of quorum sensing in bacteria and discuss its role in bacterial behaviour. C2.1.4: Understand bioluminescence and its importance and applications. C2.1.5: Identify the categories of signalling chemicals in animals ­ hormones, neurotransmitters, cytokines and calcium ions. C2.1.6: Differentiate between different types of signals used by multicellular organisms. C2.1.7: Describe the difference in structure and function of hormones and neurotransmitters. C2.1.8: Demonstrate an understanding of mechanisms that signalling molecules use to produce localised as well as distant effects. C2.1.9: Analyse the role of signalling molecules in the transmission of signals from one part of the body to another. C2.1.10: Compare and contrast transmembrane receptors and intracellular receptors. C2.1.11: Describe the different signalling pathways activated by transmembrane receptors and intracellular receptors. C2.1.12: Explain the mechanisms of initiation of signal transduction pathways. C2.1.13: Compare and contrast different types of transmembrane receptors and their mechanisms of action, including neurotransmitter receptors and G protein-coupled receptors. C2.1.14:Analyse the role of transmembrane receptors in changing membrane potential and activating intracellular signalling pathways. C2.1.15: Explain that positive feedback amplifies the response. C2.1.16: Explain that negative feedback dampens or inhibits the signalling response. C2.1.17: Explain that a balance of both positive and negative feedback is necessary for proper cellular response

This PowerPoint contains everything you need to teach Neurotransmission and effects on behaviour in biological approach unit 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 covered includes: Structure of neurones Transmission across the synapse Inhibitory and excitatory neurotransmitters Artifical agonist and antagonist Effects of dopamine on behaviour Effects of serotonin on behaviour with key case studies Effects of acetylcholine on behaviour and key case studies TOK activity Essay writing task Summary/Evaluation task

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 B2.2 Organelles and compartmentalisation in the new IB Biology specification. **YouTube video is a preview of the full resource (does not include all slides) ** This Powerpoint consists of 49 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 Summary The following content is included: B2.2.1:State, with examples, that organelles are structures that are separate subunit of cells and perform a specific function. B2.2.2:Explain the advantages, using phagocytic vacuoles and lysosomes as examples, of the compartmentalisation of cytoplasm. B2.2.3: Explain the advantage of the separation of the nucleus and the cytoplasm in regard to protein synthesis. B2.2.4: Explain, using an annotated diagram, how the structure of the mitochondrion aids in the production of ATP. B2.2.5: Explain, using an annotated diagram, how the structure of the chloroplast aids in photosynthesis. B2.2.6: Describe the functional advantages of the double membrane around the nucleus in protein synthesis and cell division. B2.2.7: Describe the different roles of bound and free ribosomes. B2.2.8: Outline the function of the Golgi apparatus in the processing and transport of proteins. B2.2.9: Describe the role of vesicles in cells and the role of clathrin in the formation of vesicles.

This PowerPoint contains everything you need to teach techniques and methods to study the brain in biological apprach unit IB Psychology specification. 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 ** The following content is included: Animal research evaluation Case study of animal research to understand fear MRI: How they work? EEG: How they work? CT: How they work? PET: How they work? fMRI: How they work? Evaluation of the use of case studies. Triangulation

This PowerPoint contains everything you need to teach Localisation of brain function the brain in biological apprach unit 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 covered includes: Previous techniques such as trepanning and phrenology Causation and correlation Wider Penfield and the homunculus Hippocampus and declarative memory The amygdala and fear Interconnected nature of the brain

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 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 PowerPoint contains everything you need to teach Intuitive and rational thinking 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. Clear diagrams Videos Student research tasks **Student workbook which accompanies the lessons ** The following content is included: Usefulness of intuitive thinking Computational model of decision making heuristic Examples of heuristic Class experiment of anchoring effect Class experiment of framing effect Availability heuristic: Experiment and examples Rational thinking Activating system 2

This PowerPoint contains everything you need to teach Thinking and decision making 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 workbook which accompanies the lessons The following content is included: Economics of irrational decisions Bounded rationality Rational thinking and intuitive thinking: (Sanfey and Chang, 2008) Characteristics of System 1 and System 2 thinking Wason (1968) Interacting systems: (Kahneman, 2003): Dual processing Atler & Oppenheimer, 2007 Summary of unit with student workbook

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