| Date | May 2012 | Marks available | 1 | Reference code | 12M.1.SL.TZ2.18 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Estimate | Question number | 18 | Adapted from | N/A |
Question
The energy passing from the detritivores to the predatory invertebrates in this food web is 14 000 kJ m–2 year–1.
Approximately how much energy (in kJ m–2 year–1) passes from the predatory invertebrates to the carnivores?
A. 140
B. 1400
C. 14 000
D. 140 000
Markscheme
B
Examiners report
N/A
Syllabus sections
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