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