Answer :

Protists are unicellular organisms without cell walls that have membrane-bound organelles.

Protists are any eukaryotic organisms that aren't classified as either an animal, a plant, or a fungus. It contains amoebas. The cells of eukaryotic species have a cell nucleus. Protists do not form a natural group or clade even while other eukaryotes are not present, despite the possibility that they had a common ancestor (the last eukaryotic common ancestor).

As a result, some protists might get along better with other protists than they do with plants, animals, or fungi. Similar to the biological groupings of algae, invertebrates, and protozoans, the term "protist" is only used for utilitarian purposes. Some people consider every eukaryotic, unicellular microorganism to be a protist. The discipline that focuses on protists is called protistology.

To learn more about unicellular organisms, refer:-

https://brainly.com/question/27753005

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