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.
They grow on and in other bacteria, worms, insects, plants, animals, and people. Bacteria are prokaryotes. Prokaryotic cells possess simpler structures than eukaryotic cells, since they do not have a nucleus, other membrane bound organelles, or a cytoskeleton.hey grow on and in other bacteria, worms, insects, plants, animals, and people. Bacteria are prokaryotes. Prokaryotic cells possess simpler structures than eukaryotic cells, since they do not have a nucleus, other membrane bound organelles, or a cytoskeleton.