AMAZING WORLD OF SCIENCE WITH MR. GREEN
  • Home
  • IBDP Environmental Systems and Societies
    • ESS Topics >
      • Statistical Anaylsis
      • ESS Topic 1 Foundations of ESS >
        • ESS Topic 1.1: Environmental Value Systems
        • ESS Topic 1.2: Systems and Models
        • ESS Topic 1.3: Energy and Equilibria
        • ESS Topic 1.4: Sustainability
        • ESS Topic 1.5: Humans and Pollution
      • ESS Topic 2 Ecosystems and Ecology >
        • ESS Topic 2.1: Species and Population
        • ESS Topic 2.2: Communities and Ecosystems
        • ESS Topic 2.3: Flows of Energy and Matter
        • ESS Topic 2.4: Biomes, Zonation and Succession
        • ESS Topic 2.5: Investigating Ecosystems
      • ESS Topic 3: Biodiversity and Conservation >
        • ESS Topic 3.1: Introduction to Biodiversity
        • ESS Topic 3.2: Origins of Biodiversity
        • ESS Topic 3.3: Threats to Biodiversity
        • ESS Topic 3.4: Conservation of Biodiversity
      • ESS Topic 4: Water and Aquatic Food Production Systems and Society >
        • ESS Topic 4.1: Introduction to Water Systems
        • ESS Topic 4.2: Access to Fresh Water
        • ESS Topic 4.3: Aquatic Food Production Systems
        • ESS Topic 4.4: Water Pollution
      • ESS Topic 5:Soil Systems and Terrestrial Food Production Systems and Society >
        • ESS Topic 5.1: Introduction to Soil Systems
        • ESS Topic 5.2: Terrestrial Food Production Systems and Food Choices
        • ESS Topic 5.3: Soil Degradation and Conservation
      • ESS Topic 6: Atmospheric Systems and Society >
        • ESS Topic 6.1: Introduction to the Atmosphere
        • ESS Topic 6.2: Stratospheric Ozone
        • ESS Topic 6.3: Photochemical Smog
        • ESS Topic 6.4: Acid Deposition
      • ESS Topic 7: Climate Change and Energy Production >
        • ESS Topic 7.1: Energy Source and Security
        • ESS Topic 7.2: Climate change – Causes and Impacts
        • ESS Topic 7.3: Climate change – Mitigation and Adaptation
      • ESS Topic 8: Human System and Resource Use >
        • ESS Topic 8.1: Human Populations Dynamics
        • ESS Topic 8.2: Resource Use in Society
        • ESS Topic 8.3 Solid Domestic Waste
        • ESS Topic 8.4 Human Population Carrying Capacity
    • ESS Internal Assessments >
      • ESS IA Context
      • ESS IA Planning >
        • Surveys
        • Secondary Data - Data Bases
      • ESS IA Results, Analysis & Conclusions
      • ESS IA Discussion and Evaluation
      • ESS IA Application
      • ESS IA Communication
      • ESS Personal Skills in IA
    • ESS Extended Essay
    • IB Command Terms
    • Official IB ESS Glossary
    • IB ESS Revision
    • Group 4 Project
  • IBDP Biology
    • IB Biology SL Topics >
      • Statistical Anaylsis
      • Topic 1: Cell Biology >
        • Topic 1.1 Introduction to Cells
        • Topic 1.2 Ultra-Structure of Cells
        • Topic 1.3 Membrane Structure
        • Topic 1.4 Membrane Transport
        • Topic 1.5 Origin of Cells
        • Topic 1.6: Cell Division
      • Topic 2: Molecular Biology >
        • Topic 2.1:Molecules to Metabolism
        • Topic 2.2 Water
        • Topic 2.3: Carbohydrates and Lipids
        • Topic 2.4: Proteins
        • Topic 2.5: Enzymes
        • Topic 2.6: Structure of DNA and RNA
        • Topic 2.7: DNA Replication, Transcription and Translation
        • Topic 2.8 Cellular Respiration
        • Topic 2.9: Photosynthesis
      • Topic 3: Genetics >
        • Topic 3.1: Genes
        • Topic 3.2: Chromosomes
        • Topic 3.3: Meiosis
        • Topic 3.4: Inheritance
        • Topic 3.5: Genetic Engineering and Biotechnology
      • Topic 4: Ecology >
        • 4.1 Species, Communities and Ecosystems
        • 4.2 Energy Flow
        • 4.3 Carbon Cycle
        • 4.4 Climate Change
      • Topic 5: Evolution and Biodiversity >
        • Topic 5.1 Evidence for Evolution
        • Topic 5.2 Natural Selection
        • Topic 5.3: Classification of Biodiversity
        • Topic 5.4: Cladistics
      • Topic 6: Human Physiology >
        • Topic 6.1: Digestion and Absorption
        • Topic 6.2: The Blood System
        • Topic 6.3: Defense Against Infectious Disease
        • Topic 6.4: Gas Exchange
        • Topic 6.5: Neurones and Synapses
        • Topic 6.6: Hormones, Homeostasis and Reproduction
    • IB Biology HL Topics >
      • Topic 7: Nucleic Acids >
        • Topic 7.1 DNA Structure and Replication
        • Topic 7.2 Transcription and Gene Expression
        • Topic 7.3 Translation
      • Topic 8: Metabolism, Cell Respiration and Photosynthesis >
        • Topic 8.1 Metabolism
        • Topic 8.2 Cell Respiration
        • Topic 8.3 Photosynthesis
      • Topic 9: Plant Biology >
        • Topic 9.1 Transport in the Xylem of Plants
        • Topic 9.2 Transport in the Phloem of Plants
        • Topic 9.3 Growth in Plants
        • Topic 9.4: Reproduction in Plants
      • Topic 10: Genetics and Evolution >
        • Topic 10.1: Meiosis
        • Topic 10.2: Inheritance
        • Topic 10.3: Gene Pools and Speciation
      • Topic 11: Animal Physiology >
        • Topic 11.1 Antibody Production and Vaccination
        • Topic 11.2: Movement
        • Topic 11.3: The Kidney and Osmoregulation
        • Topic 11.4: Sexual Reproduction
    • Options >
      • Option D: Human Physiology >
        • D1: Human Nutrition (Core)
        • D2: Digestion (Core)
        • D3: Function of the Liver (Core)
        • D4: Function of the Heart (Core)
        • D5: Hormones and Metabolism (HL)
        • D6: Transport of Respiratory Gases (HL)
    • IB Biology Internal Assessment >
      • Internal Assessment Personal Engagement
      • Internal Assessment Exploration
      • Internal Assessment - Analysis
      • Internal Assessment Evaluation
      • Internal Assessment - Communications
    • IB Biology Revision
    • Group 4 Project
  • Grade 10 MYP Biology
    • Grade 10 Topic 1: Blood and Circulation
  • Grade 9 MYP Biology
    • Grade 9 Topic 1: Life Processes
    • GR9 Topic 2: Cells
    • GR 9 Topic 3: Macro Molecules
    • GR9 Topic 4 Cellular Movement
    • GR 9 Topic 5: Transport In Plant
    • GR 9 Topic 6 Enzymes
    • GR 9 Topic 7 Microscopy
  • MYP Laboratory Guidance
  • Guide To Exam Success
    • What Are You Eating
    • Get Organized
    • Day Before the Exam
    • When You Sit Down For The Exam
    • Taking The Exam
  • Scientific Dictionary
  • Scientific Method
  • About Me

ib biology options

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The biology course is organized by topics.  Both standard level (SL) students and higher level (HL) students study the six core topics.   HL students study an additional five topics, with some of these taking the first six topics to greater depth. In addition to this, both SL and HL students study one out of a choice of four optional topics.  Schools can pick which the option topics to cover.  At ECA we have traditionally completed the Human Physiology (D) 

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Option A:  Neurobiology and Behavior
  • In this option you will look at the development of neurons and the neural tube. We’ll also look at our most fascinating organ, the brain in more detail and how we use our sensory receptors to detect changes in the environment. The HL aspects of this option looks at the differences between innate and learned behavior, the action of neurotransmitters and how certain drugs can affect the brain and lastly Ethology

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Option B:  Biotechnology and Bioinformatics
  • In this option you will take a closer look at the fascinating use of microorganisms in industrial processes (think fermentation!). We’ll also take a look at the use of microorganisms as a response to incidents of pollution. The HL students will also study how we detect infection by pathogens and how Bioinformatics helps  scientists to easily access this information by means of databases.

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Option C:  Ecology and Conservation:
  • In this option you learn more about species, communities and ecosystems. You will also gain a better insight of the impact of humans on ecosystems, using lots of real life case studies as examples. We’ll also look at biodiversity and how various groups are working together to conserve it. For HL you will also study Population Ecology; how we estimate population size and factors affecting population growth and lastly revisit the term ‘eutrophication’ when we study the Nitrogen and Phosphorus cycles!

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Option D: Human Physiology
  • In this interesting option you will study human nutrition and what is meant by ‘essential minerals and nutrients’. Digestion and the functions of the liver are also covered. The heart is also a topic and you will learn what causes the sound of a heartbeat and factors affecting heart-rate and blood pressure. HL students will also learn about hormones and metabolism and transport of O2 and CO2 in respiration.

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