Biology

These biology notes are specific to the IGCSE Edexcel specification. These gcse revision notes will move from a high concentration (this website) to a lower concentration (your brain) by diffusion. 



Characteristics and Variety of Living Organisms
Properties of Fungi
Properties of Bacteria
Properties of Protoctists
Properties of Viruses
Levels of Organisation
Functions of Organelles
Biological Molecules
Testing for Glucose and Starch
Enzymes
Factors affecting Enzymes
Diffusion
Osmosis
Factors affecting the rate of Osmosis and Diffusion
Osmosis: type of Solutions
Osmosis in Plant Cells
Osmosis in Animal Cells
Active Transport
Photosynthesis
Structure of a Leaf