A-LevelBiologyBiodiversity and conservationMay/June 2020Paper 4 Q88 Marks
(a) Sampling is used to find out the variety of species in an ecosystem and the size of the population of each species. A study was carried out to investigate the biodiversity of two fields, A and B. Field A had not been used for growing crops for 10 years. Field B had been used for growing crops until one year before the study. Random sampling was carried out.
✓ Correct Answer
The correct answer is —. This question tests the candidate's understanding of biodiversity and conservation within the Biologysyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
🔒
Unlock the Examiner's Answer
Sign up for free to reveal the correct answer, the official mark scheme breakdown, and the examiner trap analysis for this question.
Sign Up Free to Unlock →Join thousands of Cambridge students already using Oracle Prep