Woodlice are small invertebrates that live in cool, damp places under wood and stones.
Some students determined the respiration rate of woodlice at different temperatures.
[Figure 1.1] shows a single woodlouse.
The students tested the hypothesis:
For each 10°C increase in temperature the volume of oxygen absorbed will double.
[Figure 1.2] shows the respirometer that the students used.

Q: What topic does this question test?

This question tests Energy and respiration in A-Level Biology (syllabus code 9700). It is worth 21 marks.

Q: Which exam paper is this question from?

This question appeared in the Cambridge A-Level Biology May/June 2020 examination, Paper 5 Variant 2 (9700_s20_qp_52.pdf).

Question

Woodlice are small invertebrates that live in cool, damp places under wood and stones.
Some students determined the respiration rate of woodlice at different temperatures.
[Figure 1.1] shows a single woodlouse.
The students tested the hypothesis:
For each 10°C increase in temperature the volume of oxygen absorbed will double.
[Figure 1.2] shows the respirometer that the students used.

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