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A group of students collected some measurements from a field - OCR Gateway - GCSE Biology - Question 2 - 2020 - Paper 4
Question 2
A group of students collected some measurements from a field. They plotted the measurements on this graph. 
Answer
The data collection method used by the students is likely best represented by option D: Transect line with quadrats. This technique involves placing quadrats along a transect line to systematically sample the vegetation at different points, which is supported by the graphical representation showing percentage cover of species across varying distances.