Updated for 2019. It covers the three external Achievement Standards: Biology 3.3 Demonstrate understanding of the responses of plants and animals to their external environment. Biology 3.5 Demonstrate understanding of evolutionary processes leading to speciation. Biology 3.6 Demonstrate understanding of trends in human evolution. This workbook has brief exam revision notes for end-of-year study, with examples and NCEA exam questions from 2017 and earlier years. Full answers with explanations and A, M, and E grades are given. Use this workbook all year round or during Terms 3 and 4 to revise and practise exam questions.