What kingdom contains mostly unicellular eurkayotes such as amoebas?

The kingdom that contains mostly unicellular eukaryotes, such as amoebas, is the Protista kingdom. This kingdom is highly diverse and includes various organisms that do not fit into the categories of plants, animals, or fungi. Protists can be autotrophic or heterotrophic and are often found in aquatic environments. Examples include amoebas, paramecia, and algae.