Protoctista
Protoctista Pro·toc·tis·ta (prō’tək-tĭs’tə)
n.
A taxonomic kingdom consisting of unicellular protists and their descendant multicellular organisms, considered as a separate taxonomic kingdom in most modern classification systems.
Protoctista [(pruh-tohk-tis-ta)]
The kingdom of organisms, mostly single celled, whose cells contain a nucleus. The amoeba is a member of this kingdom.
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