Languages:
Large group of unicellular animals which are bigger and more complex than bacteria.
Undetectable to naked eyes, most of them are around 0.01-0.05 mm. Examples include amoebas and flagellates.
Protozoa can cause diseases such as malaria and sleeping sickness.
Untreated water may be contaminated with protozoa some of which may not be killed by disinfection alone.
Source: GreenFacts
Cell - Disinfectant(s) - Micro-organism
Español: Protozoo
Français: Protozoaire
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