Topic 2

Cells

• Eukaryotic and Prokaryotic Cells

• Microscopy and Mitosis

• Cell Membranes

• The Immune System

Topic 3

Organisms Exchange Substances with Their Environment

• Gas Exchange

• Digestion and the Circulatory System

• Transport in Plants

Topic 4

Genetic Information, Variation and Relationships between Organisms

• DNA and Protein Synthesis

• Meiosis and Genetic Variation

• Natural Selection, Classification and Biodiversity

Topic 5

Energy Transfers in and between Organisms

• Photosynthesis

• Respiration

• Energy Transfers and Nutrient Cycles

Topic 6

Organisms Respond to Changes in their Internal and External Environments

• Homeostasis

• The Nervous System

• Muscle Contraction

• Responding to Stimuli

Topic 7

Genetics, Populations, Evolution and Ecosystems

• Genetics

• Evolution

• Ecosystems