Department of Natural Sciences
  • Primary Science Club
  • MYP Year 6
    • Yr 6 Syllabus
  • MYP Year 7
    • Yr 7 Syllabus
    • Contents >
      • 7º PAI en español
      • Unit 1 - The scientific method and measurements >
        • More help on how to write a lab report
        • SI Units
      • Unit 2, 3 and 4 - Our Home in Space >
        • Unit 2 - The Earth in the Universe
        • Unit 3 - The Geosphere and the Atmosphere
        • Unit 4 - The hydrosphere and the Biosphere
      • Unit 5, 6 and 7 - Living things and biodiversity >
        • Unit 5 - Living things
        • Unit 6 - The Diversity of Life >
          • Monera
          • Protists
          • Fungi
          • The Plant Kingdom
          • The Animal Kingdom
        • Unit 7 - Ecosystems
      • Unit 8 and 9 Our changing home >
        • Unit 8 - Internal Geodynamics
        • Unit - 9 External Geodynamics
    • Laboratory
    • Tasks & Planning
  • MYP Year 8
    • Yr8 Syllabus
    • Contents >
      • Units 1, 2 and 3 - Measuring Matters >
        • Unit 1 Physical quantities and Scientific Activity >
          • Conversion factors Revision
        • Unit 2 Matter and its Properties
        • Unit 3 Pure Substances and Mixtures >
          • Concentration and units (g/L, % mass)
      • Units 4 and 5 - Chemical Cooking >
        • Models of Dalton and Rutherford.
        • Electronic structure of matter.
        • Periodic table (distribution of elements).
        • Chemical formulation
        • Molecular mass
        • Moles
        • Types of reactions
        • Lavoisier's law: Balancing of equations
        • Reaction rates: Factors that affect the speed of a reaction
      • Units 6, 7 and 8 - Move It! >
        • Unit 6 - Motion (URM)
        • Unit 6 - Motion (UARM)
        • Unit 7 - Forces and Mass
        • Unit 8 - Energy and Transformations
    • Laboratory
    • Tasks & Planning
  • MYP Year 9
    • Yr9 Syllabus
    • Contents >
      • Unit 1 and 2 - Health and Illness >
        • Unit 1 - Chemical formulation revision
        • Unit 1 - Human cells: levels of organisation
        • Unit 2 - Health and types of diseases
        • Unit 2 - Preventing diseases
        • Unit 2 - The Immune System
        • Transplants
        • Unit 2 - Addictive substances and associated substances
        • Complete Unit 1 and 2 - Health and Illness
      • Unit 3 - Nutrition >
        • Nutrition and nutrients
        • The Mediterranean diet
        • Delivering nutrients: The function and anatomy of our bodies´ systems >
          • The anatomy and physiology of the digestive system
          • The anatomy and physiology of the circulatory system >
            • Multiple choice questions
          • The anatomy and physiology of the respiratory system
          • The anatomy and physiology of the excretory system
        • Nutrition Documentaries
      • Unit 4 - Interaction and Coordination >
        • The function and anatomy of the nervous system
        • The endocrine system
      • Unit 5 - The reproductive system >
        • Anatomy and physiology of the human reproductive system.
        • Gametogenesis
        • Menstrual cycle
        • Fertilization and gestation
        • Infertility, contraception and STDs
      • Unit 6 and 7 - Genetics >
        • Introduction to genetic problems
        • DNA and chromosomes
        • Cellular reproduction: Mitosis and meiosis
        • Cellular Cycle
        • Mendelian genetics: principal concepts, resolution of problems
      • Unit 8 - Evolution >
        • Evolutionary theories
      • Unit 9 - Ecology and the environment >
        • Ecology
    • Laboratory
    • Tasks & Planning
  • MYP Year 10
    • Yr10 Syllabus
    • Contents >
      • Unit 0 - Formulation
      • Unit 1 - Scientific Activity
      • Unit 2 - Kinetic theory
      • The Atmosphere
      • Unit 3 - Mixtures and pures substances: Colligative properties
      • Unit 4 - The structure of matter
      • Unit 5 - Stoichiometry
      • Unit 6 - Redox Reactions
      • Unit 7 - Movement
      • Unit 8 - Forces
      • Unit 9 - Electricity
      • Unit 10 - Energy
    • Revision
    • Lab sessions and blog tasks >
      • Session 1 - Paper balls
      • Sessions 2 - Properties of substances
      • Session 3 - Preparing a Schlenk tube
      • Session 4 - Gas constant
      • Session 5 - Colligative properties
      • Session 6 - Job´s method
      • Session 7 - Redox titration
      • Session 8 - UARM
      • Session 9 - Hooke´s Law
    • Assessments >
      • Criterion D - Water crisis
    • Minimum contents
    • General information
    • PISA questions
  • DP Biology
  • DP Biology SL
    • 2018-2019 >
      • Contents >
        • Topic 1: Cell biology >
          • 1.1 Introduction to cells
          • 1.2 Ultrastructure of cells
          • 1.3 Membrane structure
          • 1.4 Membrane transport
          • 1.5 The origin of cells
          • 1.6 Cell division
        • Topic 2: Molecular biology >
          • 2.1 Molecules to metabolism
          • 2.2 Water
          • 2.3 Carbohydrates and lipids
          • 2.4 Proteins
          • 2.5 Enzymes
          • 2.6 Structure of DNA and RNA
          • 2.7 DNA replication, transcription and translation
          • 2.8 Cell respiration
          • 2.9 Photosynthesis
        • Topic 3: Genetics >
          • 3.1 Genes
          • 3.2 Chromosomes
          • 3.3 Meiosis
          • 3.4 Inheritance
          • 3.5 Genetic modification and biotechnology
        • Topic 4: Ecology >
          • 4.1 Species, communities and ecosystems
          • 4.2 Energy flow
          • 4.3 Carbon cycling
          • 4.4 Climate change
        • C: Ecology and conservation >
          • C.1 Species and communities
          • C.2 Communities and ecosystems
          • C.3 Impacts of humans on ecosystems
          • C.4 Conservation of biodiversity
        • Topic 5: Evolution and biodiversity >
          • 5.1 Evidence for evolution
          • 5.2 Natural selection
          • 5.3 Classification of biodiversity
          • 5.4 Cladistics
        • Topic 6: Human physiology >
          • 6.1 Digestion and absorption
          • 6.2 The blood system
          • 6.3 Defence against infectious disease
          • 6.4 Gas exchange
          • 6.5 Neurons and synapses
          • 6.6 Hormones, homeostasis and reproduction
    • Labs >
      • Statistical analysis
    • 2014-2015 >
      • Contents >
        • Topic 1: Statistical analysis
        • Topic 2: Cells >
          • 2.1 Cell theory
          • 2.2 Prokaryotic cells
          • 2.3 Eukaryotic cells
          • 2.4 Membranes
          • 2.5 Cell division
        • Option F: Microbes and biotechnology >
          • F1 Diversity of microbes
          • F2 Microbes and the environment
          • F3 Microbes and biotechnology
          • F4 Microbes and food production
        • Topic 5: Ecology and evolution >
          • 5.1 Communities and ecosystems
          • 5.2 The greenhouse effect
          • 5.3 Populations
          • 5.4 Evolution
          • 5.5 Classification
        • Option D: Evolution >
          • D1 Origin of life on Earth
          • D2 Species and speciation
          • D3 Human evolution
        • Topic 3: The chemistry of life >
          • 3.1 Chemical elements and water
          • 3.2 Carbohydrates, lipids and proteins
          • 3.3 DNA structure
          • 3.4 DNA replication
          • 3.5 Transcription and translation
          • 3.6 Enzymes
          • 3.7 Cell respiration
          • 3.8 Photosynthesis
          • TO DELETE
        • Topic 4: Genetics >
          • 4.1 Chromosomes, genes, alleles and mutations
          • 4.2 Meiosis
          • 4.3 Theoretical genetics
          • 4.4 Genetic engineering and biotechnology
        • Topic 6: Human health and physiology >
          • 6.1 Digestion
          • 6.2 The transport system
          • 6.3 Defence against infectious disease
          • 6.4 Gas exchange
          • 6.5 Nerves, hormones and homeostasis
          • 6.6 Reproduction
    • Tasks >
      • Databases
    • Documents
    • Interesting links
  • Biología 12º
    • Bloque 1. Bioquímica
    • Bloque 2. Biología celular
    • Bloque 3. Genética y evolución
    • Bloque 4. Microbiología y biotecnología
    • Bloque 5. Inmunología
  • IB Biología NS
  • IB Chemistry HL
    • Contents >
      • Year 1 >
        • Topic 0 - Formulation
        • Topic 1 - Stoichiometric relationships
        • Topic 2 and 12 - Atomic structure
        • Topic 3 and 13 - Periodicity
        • Topic 4 and 14 - Chemical structure and bonding
        • Topic 5 and 15 - Energetics
        • Topic 10 and 20 - Organic chemistry
      • Year 2 >
        • Topic 6 and 16 - Chemical kinetics
        • Topic 7 and 17 - Equilibrium
        • Topic 8 and 18 - Acids and bases
        • Topic 9 and 19 - Redox processes
        • Topic 11 and 21 - Measurement and data processing
        • Option D - Medicinal chemistry
    • Lab work >
      • SFP Campus lab reports
      • Internal assessment structure
      • Internal Assessment examples
    • Nature of science
    • General revision
    • Selectividad
    • General information
    • Extended Essay
  • Chemistry Olympiad
    • Past exams
    • Weekly tasks
  • Other
    • How will I be assessed?
    • Conceptual learning
    • Study Aids
    • Science essays >
      • Research Search Engine
      • How to Reference
    • Chemical formulation
    • Laboratory >
      • How to write a lab report
      • Microscopy
      • Excel for graphs and calculations >
        • Calculate the mean and SD
        • Drawing graphs
        • Add error bars to excel graphs
      • Lab videos!
      • Primary Science Club
    • Further Reading >
      • Women In Science
      • Infographics
    • Skills for the Future
    • Unit converters >
      • Length
      • Weight
      • Volume
      • Density
      • Time
      • Area
      • Concentration - Solution
      • Temperature
    • IBO
    • Proyecto integrado
  • Science Activities Noticeboard
  • TED-Ed Club
    • Questionnaires
    • Work from club members
    • Downloads
    • Files to download
  • Comments and Suggestions

Species and speciation
Download here the class presentation

Evolution simulation (install Java 7)

Natural Selection
Click to Run
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