| Date | November 2009 | Marks available | 1 | Reference code | 09N.1.HL.TZ0.16 |
| Level | Higher level | Paper | Paper 1 | Time zone | TZ0 |
| Command term | Question number | 16 | Adapted from | N/A |
Question
How is energy passed from one trophic level to the next?
I. Food
II. Light
III. Heat
A. I only
B. I and II only
C. II and III only
D. I, II and III
Markscheme
A
Examiners report
[N/A]
Syllabus sections
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