Here's a more detailed explanation:

* Protozoa: This is a broad category of single-celled eukaryotic organisms. They are found in a wide variety of habitats, from freshwater and saltwater to soil.

* Paramecium: A specific genus of protozoans known for their slipper-like shape and cilia (tiny hair-like structures used for movement).

So, while Paramecium are protozoans, they are not the only ones! There are many other types of protozoans, including amoebas, foraminiferans, and sporozoans.