From Mock A · Paper 1 (topics 1–4)
9.13 marks
In a woodland survey, a student found 12 bluebells, 6 primroses and 2 orchids. Calculate the index of diversity using
d = (N(N - 1))/(Σ n(n - 1)).
This paper is written by Plasmo in the style of the AQA A-Level Biology exam. It is not a past paper and is not produced or endorsed by the exam board.