Study of species preservation methods and factors threatening biological diversity, including both natural processes and human impacts.
Summary notes of chapter 19 in the aqa biology textbook
all revision notes for topic 7 of biology for AQA
Notes for AQA GCSE Biology Ecology Topic - collection summary of all information from Physics & Maths Tutor, Save My Exams, BBC Bitesize, Kerboodle, and Classwork.