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- IB DP Biology - Introduction
- Biology roadmap for 2025 exams
- Themes and Levels of organisation
- Theme A - Unity and diversity
- Theme B - Form and function
- Theme C - Interaction and interdependence
- Theme D - Continuity and change
- Level 1 - Molecules
- Level 2 - Cells
- Level 3 - Organisms
- Level 4 - Ecosystems
- Topic pathways & tracking progress
- A simple unit planner
- A linear unit planner
- Laboratory requirements for IB Biology
- MyIB resources for Biology teachers
- Changes in the Biology Guide for first exams 2025
- Beta zone
- Examples of data based questions
- IB Biology induction
- Proteins - concept linking written task
- Water - concept linking written task
- C2.2 Student access page - model
- Aquarium Microscopy
- IB Bio project based sequence
- Measuring Equipment
- Human defence against disease quiz 6.3
- Archive 2016 - 2023
- SL Core
- Cells: Activities for Learning
- Cells planning 1.1
- Measuring Equipment
- Cell Theory Investigation
- Measuring size in Biology
- Calculating Magnification and Size
- SA to Volume practical activity
- Measuring Equipment - IA skills training
- Being Multicellular
- Thinking about stem cells
- Ultrastructure of cells - planning 1.2
- Eukaryotic Cell Ultrastructure
- Prokaryote cell structure & function
- Yoghurt and milk bacteria experiment
- Inquiry into milk turning to yoghurt.
- Mobile phone bacteria experiment
- Cell Types Detective Activity
- Membrane structure planning 1.3 & 1.4
- Membrane Structure
- Falsification of membrane structures
- Further Membrane Structure
- Membrane transport models
- Membrane Permeablility Experiment
- Onion cell plasmolysis experiment
- The origin of cells and cell division 1.5 + 1.6
- Endosymbiosis - Nature of Science
- Mitosis and the Cell Cycle
- Mitotic index & cancer
- Control of cell cycle & cancer
- Molecular biology: Activities for Learning
- Molecules to metabolism - planning sheet 2.1
- Carbon based compounds.
- Drawing biological molecules
- Visualising molecules
- Water - planning sheet 2.2
- Properties of Water
- Carbohydrates and Lipids - planning sheet 2.3
- Condensation & Hydrolysis.
- Sugar Analysis Experiment
- Calorimetry experiment
- Dietary fats and BMI
- Proteins - planning sheet 2.4
- Peptide bond structure.
- Polypeptide structure
- Protein Structure.
- Enzymes - planning sheet 2.5
- Enzyme Theory
- Yeast and Catalase Experiment
- Lactose Intolerance
- Structure of DNA and RNA - planning sheet 2.6
- DNA Structure
- Extracting DNA Experiment.
- DNA replication - planning sheet 2.7
- DNA Replication
- Transcription of mRNA from DNA
- Translation of mRNA into Amino Acids
- Cell Respiration - planning sheet 2.8
- Cell Respiration.
- Respiration experiments.
- Photosynthesis - planning sheet 2.9
- Photosynthesis Theory
- Photosynthetic pigments
- Photosynthesis Experiments
- Genetics Activities for Learning
- Genes - Planning sheet 3.1
- Chromosomes genes & alleles
- Human Genome Project
- Base substitution mutation
- Chromosomes - Planning sheet 3.2
- Chromosomes
- Karyograms and non-disjunction
- Meiosis - Planning sheet 3.3
- Introduction to Meiosis
- Inheritance - planning sheet 3.4
- Theoretical Genetics 1
- Theoretical Genetics 2
- Model answers: Co-dominance & Multiple Alleles
- Model answers - further genetics qns on co-dominant and multiple alleles.
- Sex Linked Genes
- Is genetics an embarrassment to biology education?
- Multiple choice sex linkage questions model answers
- Hairy Hands - genetics of mid-digital hair
- Pedigree Chart & Phenotype Ratios
- IA Maize Genetics Experiment
- Genetic modification - planning sheet 3.5
- Genetically Modified Organisms.
- Introduction to Cloning.
- Therapeutic Cloning Debate
- Ecology Activities for Learning
- Species & communities - Planning sheet 4.1
- Ecological terms.
- Food Webs
- Mesocosm Lab
- Ecology mini investigation
- Ecology field trip - at home
- Energy flow - Planning sheet 4.2
- Energy Flow.
- Carbon cycling - planning sheet 4.3
- Carbon Cycle Skills
- Climate change - planning sheet 4.4
- Enhanced Greenhouse Effect.
- Climate Change.
- Evolution: Activities for Learning
- Evidence for evolution - planning 5.1
- Evolution introduction
- Natural selection - planning 5.2
- Variation & overproduction
- Evolution examples
- Classification of biodiversity - planning 5.3
- Classification & binomial names
- Classification of Plants
- Classification of Animals
- Classification games
- Cladistics - planning 5.4
- Intro to cladistics
- Cookie cladistics (online activity)
- Examples of cladograms (online activity)
- Building cladograms (online activity)
- Model answers - Intro to cladistics
- Reclassification of figworts using cladistics
- Humans Activities for Learning
- Digestion & absorption- planning 6.1
- Digestion & Enzymes Intro
- IA Lipase Experiment
- Structure of the digestive system.
- Intestine Structure & Function.
- Blood system - planning 6.2
- Blood and Blood Vessels
- Heart Dissection & Diagram
- Controlling Heartbeat
- Defense against disease - planning 6.3
- Blood clotting and heart disease.
- Antigens and antibodies
- HIV and AIDS
- Immune System
- Gas exchange - planning 6.4
- Alveoli & gas exchange
- Ventilation & lung disease
- Neurones & synapses - planning 6.5
- Nerve impulses.
- Synapses
- Chemicals which affect synapses
- Hormones & reproduction - planning 6.6
- Hormones introduction
- Homeostasis of Glucose.
- Harvey and the search for ova
- Hormones and the menstrual cycle
- Hormones in IVF
- Additional HL
- HL Nucleic Acids Activities for Learning
- DNA Structure - Planning sheet 7.1
- DNA structure - Extras for HL
- DNA Replication for HL Students
- Transcription - Planning sheet 7.2
- Transcription - extras for HL
- Translation - Planning sheet 7.3
- Translation & ribosomes
- Four levels of protein structure
- HL Metabolism Activities for Learning
- Metabolism - Planning sheet 8.1
- Activation energy and enzyme pathways
- Emergency room activity - enzyme inhibition
- End product inhibition of Enzymes.
- Cell Respiration - Planning sheet 8.2
- HL Respiration introduction
- Glycolysis and the Krebs Cycle
- Electron transport chain
- Electron transport chain - revision games
- Photosynthesis - Planning sheet 8.3
- Chloroplasts and Photosynthesis
- Light Dependent Reactions
- Light Independent Reactions
- HL Plant Biology - Activities for Learning
- Transport in xylem - planning 9.1
- Leaf stomata & transpiration
- Vascular tissues - introduction
- Transport in xylem
- Experiments on Transpiration.
- Transpiration and Xerophytes
- Transport in phloem - planning sheet 9.2
- Phloem and translocation
- Growth in plants - planning sheet 9.3
- Meristems and Growth.
- Hormonal control in plants
- Reproduction in plants - planning sheet 9.4
- Reproduction in angiosperms.
- Seeds, flowering & phytochromes
- HL Genetics Activities for Learning
- HL genetics - planning sheet 10.1
- Meiosis.
- HL Inheritance - planning sheet 10.2
- Di-Hybrid Crosses.
- Polygenic Inheritance.
- Gene Linkage 1
- Gene Linkage 2
- Gene pools - Planning sheet 10.3
- Gene pools
- Polyploidy
- HL Animal Physiology Activities for Learning
- Antibody & vaccination - planning sheet 11.1
- Antibody production
- Monoclonal antibodies
- Vaccination
- Movement - planning sheet 11.2
- Muscles & joints
- Muscle structure & function.
- Kidney - planning sheet 11.3
- Osmoregulation
- Jellyfish - osmoconformers model answers
- Osmoregulators: paramecium - model answers
- Osmoregulators and excretion - model answers
- Kidney and nephrons.
- Sexual Reproduction - 11.4 planning sheet
- Gamete formation
- Fertilization & blastocyst
- Pregnancy and birth
- Options
- Option A - Neurobiology - Activities for learning
- Neural development - Planning sheet A.1
- Nervous system formation
- Synapses and nervous system plasticity
- Human brain - planning sheet A.2
- Brain structure and function
- The Cerebral cortex
- Perception - planning sheet A.3
- Sensory receptors and smell
- The eye and photoreceptors
- Innate & learned HL - planning sheet A4
- Reflexes
- Conditioning and imprinting
- Neuropharmacology HL - planning sheet A.5
- Ethology HL - planning sheet A.6
- Option B - Biotechnology and bioinformatics
- Organisms in industry Topic - Planning sheet B1
- Batch fermentation and continuous culture
- Biotechnology in agriculture - planning sheet B2
- Cryptic messages - bioinformatics introduction
- ORF activity
- Environmental protection - planning sheet B3
- Medicine - planning sheet B4
- Option C - Ecology Activities for learning
- Species & communities - planning sheet C1
- Describing communities
- Limits and zones lab
- Symbiosis v Competitive exclusion
- Communities & Ecosystems - planning sheet C2
- Modelling energy flow
- Predicting ecosystems
- Modelling nutrients
- Disturbance vs Diversity
- Impact of humans - planning sheet C3
- Invasive species
- Biomagnification
- Plastic debris
- Conservation of biodiversity - planning sheet C4
- Indicator species & biotic index
- Conservation methods
- Biodiversity estimations
- Simpsons diversity calculation model answer
- Simpsons diversity simple explainer - model answers
- Simpson's diversity - example data model answers
- Populations - Planning sheet C5 HL
- Lincoln Index activities
- Population growth curves
- Fisheries and populations
- Nutrient cycles - Planning sheet C6 HL
- Nitrogen cycle - applications
- Phosphorus cycle
- Option D - Human physiology Activities for learning
- Human nutrition - Planning sheet D.1
- Is it so bad to eat only pizza?
- Appetite and malnutrition
- Digestion - planning sheet D.2
- Exocrine glands
- Control of digestive secretions
- A miracle cure for ulcers
- Functions of liver - planning sheet D.3
- Liver structure & function.
- Jaundice & liver function
- The heart - planning sheet D.4
- Cardiac muscle & myogenic control
- Cardiology Role play
- Epidemiology - Framingham heart study
- Hormones - planning sheet HL D.5
- Pituitary gland and hormones
- Respiratory gases - planning sheet HL D.6
- Oxygen dissociation curves
- Carbon dioxide and Bohr shift
- Assessment & revision
- The Exams
- IB style topic tests
- IB style topic tests (2021 series)
- Cell Biology Test SL (2021)
- Cell Biology topic test (2021) model answers
- Evolution Test SL (2021)
- Evolution topic test (2021) - model answers
- Cell Biology Test SL
- Cell biology test - mark scheme
- Molecular biology test SL
- Molecular biology test - mark scheme
- Genetics Test SL
- Genetics test - mark scheme
- Ecology SL Test
- Ecology test - mark scheme
- Evolution Test SL
- Evolution test - mark scheme
- Human physiology test SL
- Human physiology mark scheme
- Nucleic acids test HL
- Nucleic acids - Mark Scheme
- Metabolism Respn & Photosynthesis test HL
- Metabolism Respn. Photo. test HL - mark scheme
- Plant biology test HL
- Plant science test -HL mark scheme
- Genetics test HL
- Genetics test HL - model answers
- Animal physiology test (HL)
- Animal physiology - test HL - mark scheme
- A3 topic revision sheets
- Topic 1 - Cells revision activities
- Topic 2 - Molecular biology revision activities
- Topic 3 - Genetics SL revision activities
- Topic 4 - Ecology SL revision activities
- Topic 5 - Evolution SL revision activities
- Topic 6 - human physiology SL revision activities
- Topic 7 - Nucleic acids HL revision activities
- Topic 8 - Metabolism HL revision activities
- Topic 9 - Plant biology HL revision activities
- Topic 10 - Genetics HL Revision activities
- Topic 11 - Physiology HL Revision activities
- Option A - Neurobiology - Revision activities
- Option C - Ecology revision activities
- Option C - Ecology SL revision list
- Option C SL Ecology A3 revision - model answers
- Option C - Ecology HL revision list
- Option C HL Ecology A3 revision - model answers
- Option D - Human Physiology Revision activities
- Multiple Choice Quizzes
- Intro to Cells quiz 1.1
- Ultrastructure of cells quiz 1.2
- Membrane quiz 1.3
- Membrane structure & function quiz 1.3 & 1.4
- Origin of cells 1.5
- Cell division quiz 1.6
- Molecules to metabolism quiz 2.1
- Water quiz 2.2
- Carbohydrates and lipids quiz 2.3
- Proteins SL Quiz 2.4
- Enzymes quiz 2.5
- DNA and RNA structure quiz 2.6
- DNA replication, transcription, translation quiz 2.7
- Respiration SL quiz 2.8
- Photosynthesis quiz 2.9
- Genes SL quiz 3.1
- Chromosomes 3.2
- Genetics SL quiz
- Inheritance 3.4
- Genetic modification 3.5
- Species and communities 4.1
- Energy flow in ecosystems quiz 4.2
- Carbon cycle quiz 4.3
- Greenhouse effect quiz
- Evolution - natural selection quiz 5.1 & 5.2
- Evolution - animal classification 5.3
- Classification of plants 5.3
- Evolution - cladograms 5.4
- Human digestion and absorption quiz 6.1
- Humans - digestion and absorption workout
- Humans - blood system quiz 6.2
- Defense against disease SL quiz 6.3
- Human gas exchange quiz 6.4
- Neurones and synapses quiz 6.5
- Human - hormones quiz 6.6
- DNA transcription quiz HL 7.1
- DNA transcription quiz HL 7.2
- mRNA translation quiz HL 7.3
- Enzymes & metabolism HL quiz 8.1
- Cell respiration HL quiz 8.2
- Photosynthesis HL quiz 8.3
- Plants - transport in xylem 9.1
- Plants - transport in phloem 9.2
- Plant growth 9.3
- Plant reproduction HL quiz 9.4
- Meiosis HL quiz 10.1
- Inheritance HL Quiz 10.2
- Gene pools and speciation HL quiz 10.3
- Defence - monclonal antibodies 11.1
- Movement and muscles HL quiz 11.2
- Kidney & osmoregulation HL quiz 11.3
- Sexual reproduction quiz HL 11.4
- Key biological terms - by topic
- Key terms - Cells topic
- Key terms - Molecular biology topic
- Key terms - Genetics SL topic
- Key Terms - Ecology Topic
- Key terms - Evolution topic
- Key terms - Human physiology topic
- Key terms - Metabolism HL topic
- IA investigation - teachers marks summary