| Date | May 2015 | Marks available | 1 | Reference code | 15M.1.SL.TZ2.5 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Identify | Question number | 5 | Adapted from | N/A |
Question
Why do multicellular organisms have emergent properties?
A. They have more genes than unicellular organisms.
B. Properties of unicellular organisms are enhanced by having many cells.
C. All of their genes are expressed whereas unicellular organisms express only some.
D. They show properties that can only result from the interaction of many cells.
Markscheme
D
Examiners report
[N/A]
Syllabus sections
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