Cambridge Secondary (7-9). Stage 7. MCE Science. Workbook - Unit 5: Food Chains and Food Webs - Question 43

Which statement about microorganisms is false? Tick (✓) the correct box.

A. Bacteria are a kind of microorganism.
B. All microorganisms act as decomposers.
C. Microorganisms can be found almost everywhere.
D. Some microorganisms may be harmful and cause disease.