Protozoa:
- Protozoa are unicellular, eukaryotic, heterotrophic organisms.
- Protozoa are free-living parasites.
- Protozoa cause various diseases in the animal and the human body.
- Examples: Amoeba, Paramecium, Plasmodium (Malaria), Trypanosoma (Sleeping sickness), Trichomonas (Trichomoniasis), etc.
Organisms that eat protozoa are:
- Flatworms
- Water fleas
- Calm shrimps
- Invertebrates