| Date | May 2012 | Marks available | 1 | Reference code | 12M.1.SL.TZ1.18 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Identify | Question number | 18 | Adapted from | N/A |
Question
In a pond, two species of fish feed on insects and worms. The insects feed on the green plants that live in the water. What constitutes a population in this ecosystem?
A. All the living organisms
B. All the animals
C. All the fish
D. All the fish of one species
Markscheme
D
Examiners report
N/A
Syllabus sections
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