IB Biology

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IB Biology Review Guide
A Free Online Study Guide

Current students of IB Biology are advised that the content of these pages are out of date and are no longer appropriate for the study of courses in 2011. A new review of the IB Biology syllabus is currently beginning (Nov 2010).

It is possible to access much more up to date information from the following 3 sites:

and for assistance with the Internal Assessment go to Lab Banks again by Stephen Taylor Authorised copies of the IB Syllabus can be obtained from the International Baccalaureate or viewed here on the web.


  • Video Tutor by Marc Brunßen and Alex Hoffmann. This site is a commercial operation, the homepage of which suggests that the resources are made by 'students'.


Introduction to the Guide
How to use this Guide
Study Guide

Table of Contents for the syllabus (pre-2009) as such this is a historical document and not a reference for the current syllabus (2012)

Whose lunch is he? Go to Chapter 4 to find out!

Core (SL/HL)

Chapter 1 ~ Topic 1 Cells 100% developed  as of Jan 13, 2008
  • Cell Theory
  • Prokaryotic Cells
  • Eukaryotic Cells
  • Cell Membranes
  • Cell Division
Chapter 2 ~ The Chemistry of Life 100% developed  as of Jan 11, 2005
  • Chemical elements and water
  • Carbohydrates, lipids, and proteins
  • Enzymes
  • DNA Structure
  • DNA Replication
  • Transcription and Translation
  • Cell Respiration
  • Photosynthesis
Chapter 3 ~ Genetics 100% developed  as of Mar 3, 2006
  • Chromosomes, genes, alleles, and mutations
  • Meiosis
  • Theoretical Genetics
  • Genetic Engineering and other aspects of Biotechnology
Chapter 4   ~ Communities 100% developed  as of Jan 11, 2005
  • Communities and Ecosystems
  • Populations
  • Evolution
  • Classification
  • Human Impact
Chapter 5 ~ Human Health and Physiology 75% developed  as of Jan 11, 2005
  • Digestion
  • The Transport System
  • Pathogens and Diseases
  • Defence against infectious diseases
  • Gas exchange
  • Homeostasis and excretion
  • Reproduction
Chapter 6 ~ Nucleic Acids and Proteins 100% developed  as of Feb 23, 2007
  • DNA Structure
  • DNA Replication
  • Transcription
  • Translation
  • Proteins
  • Enzymes
Chapter 7 ~ Cell Respiration and Photosynthesis
  • Cell Respiration
  • Photosynthesis
Chapter 8 ~ Genetics
  • Meiosis
  • Dihybrid Crosses
  • Autosomal Gene Linkage
  • Polygenetic Inheritance
  • Mendel's Law
Chapter 9 ~ Human Reproduction
  • Production of Gametes
  • Fertilization and Pregnancy
Chapter 10 ~ Defense Against Infectious Disease
  • Types of Defense
Chapter 11 ~ Nerves, Muscles and Movement
  • Nerves
  • Muscles and Movement
Chapter 12 ~ Excretion
  • Excretion
  • The Human Kidney
Chapter 13 ~ Plant Science
  • Plant Structure
  • Transport in Angiospermophytes
  • Reproduction in Flowering Plants

Options

Option A - Diet and Human Nutrition
Option C - Cells and Energy
Option D - Evolution
Option E - Neurobiology and Behaviour
Option F - Microbes and Biotechnology
Option G - Ecology and Conservation
Option H - Further Human Physiology