Q17 · 2022 · Paper 1Unclassified1 mark
QUESTION 17
Students used quadrats to investigate biodiversity in a grassland community with scattered distribution of plant species. The students agreed on a counting criteria for each quadrat to
(A) reduce the time taken to count the different species.
(B) minimise statistical uncertainty.
(C) ensure all strata were sampled.
(D) minimise bias.
WORKED SOLUTION
1 markAnswer D
OFFICIAL ANSWERD
QCAA awards 1 mark for selecting option D.
Correct option from the official QCAA answer key.