The newest 6 of 6 written questions. Open one to see it on the real paper.
Suggest three advantages of using aerial photographs instead of visiting the islands to count the number of pied avocets.
See it on the paper →Suggest one improvement to the scientist’s method.
See it on the paper →Describe how the scientist estimates the total number of pied avocets on the islands.
See it on the paper →Explain why pitfall traps are not used to sample pied avocets.
See it on the paper →The student also investigates the number of insect pests on the soil. The student puts a pitfall trap in the soil next to a peanut plant in 10 different locations in each field. lid stone soil pitfall trap After 24 hours, the student counts the number of insect pests in each trap and takes an average. The table shows t...
See it on the paper →Suggest ways the student can improve this beach investigation.
See it on the paper →Nearly all candidates gained partial credit for discussing whether the results of the student’s two investigations support what the farmer thinks. The most successful responses referred to the results on the leaves and in the soil. Some responses only mentioned the soil or the pitfall trap. Others were vague answers that did not mention the leaves, the soil, the pitfall trap or the pooter.
— Examiner report, February/March 2022, 0680/22 Q2(b) (Cambridge)
Many candidates correctly suggested one suitable improvement. Fewer candidates successfully suggested three.
— Examiner report, May/June 2021, 0680/23 Q3(d)(iv) (Cambridge)
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