A particular form or variation of an earlier or original type: downloaded the latest version of the software from the Internet. 4. An adaptation of a work of art or literature into another medium or style: the film version of a famous novel.
Protists are grouped into 3 general categories: 1  animal-like - referred to as protozoans (pro means 'first,' and zo refers to 'animals'..the first animals) 2  plant-like - referred to as algae. 3  fungus-like - referred to as slime molds and water molds.
Protists are single and multicellular organisms that are plant-like, animal-like and fungi-like. They evolved from bacteria and represent the intermediate step in the evolution of the other three kingdoms. There are 12 phyla in this kingdom, most of which live in water.