Year 4Â – Tooth Structure
Year 5Â – Flowers
Year 6Â – Tooth Structure & Flowers
Year 7Â – Inheritance & DNA
Year 8Â – Respiration
Year 9Â – Reproduction
Year 10Â – Pathogens
Year 11Â – Variance, Selective Breeding, Genetic Engineering and Cloning
Year 12Â – Gas Exchange & Lungs
Year 13 – Homeostasis – Water regulation/hormones