1.Cell structure and organisation

1.Cell structure and organisation

2.Size of specimens

1.Movement in and out of cell

1.Movement in and out of cell

1.Movement in and out of cell

1.Biological molecules

2.Structure of DNA

1.Enzyme action

1.Photosynthesis

2.Leaf structure

1.Diet

2.Digestive system

3.Digestion

1.Transport in plants

1.Transport in animals

1.Pathogens and transimission

2.Defences against disease

1.Gas exchange in humans

1.Respiration

1.Respiration

1.Excretion

1.Excretion

1.Coordination and response

1.Drugs

1.Asexual reproduction

2.Sexual reproduction in plants

3.Sexual reproduction in humans

4.Sexual hormones in humans

5.Sexual transmitted infections

1.Chromosomes,genes and proteins

2.Mitosis and Meiosis

3.Monohybrid inheritence

1.Variation

2.Adaptive features

3.Selection

1.Energy flow,food chain and food web

2.Nutrient cycles

2.Nutrient cycles

3.Populations

2.Habitat destruction

3.Pollution

4.Conservation

1.Biotechnology

1.Biotechnology

2.Genetic modification