Module 3 Exchange and Transport - Animals (Mammals, Fish and Insects) £8.99 Module 1 Development of practical skills assessed in written exam Study guide £4.99 Module 2.1.3 Nucleotides and nucleic acids £3.99 Module 4: Biodiversity Study guide and workbook with markscheme £4.99 Module 4: Biodiversity Study guide £3.50 Module 5 Excretion study guide and workbook £4.99 Module 5 Respiration Study guide and workbook £4.99 Module 6.1.1 Cellular control Study guide £2.99