NEET BIOLOGY

Detailed explanation-1: -A protist (/ˈproʊtɪst/) is any eukaryotic organism (that is, an organism whose cells contain a cell nucleus) that is not an animal, plant, or fungus.

Detailed explanation-2: -Protists are a group of all the eukaryotes that are not fungi, animals, or plants. As a result, it is a very diverse group of organisms. The eukaryotes that make up this kingdom, Kingdom Protista, do not have much in common besides a relatively simple organization. Protists can look very different from each other.

Detailed explanation-3: -Protists are a heterogeneous group of eukaryotes that are negatively defined as not belonging to the animal, fungal, or plant kingdoms.

Detailed explanation-4: -Examples of protists include various unicellular red algae, such as Cyanidioschyzon merolae; unicelluar green algae, such as Chlamydomonas reinhardtii; and marine diatoms, such as Thalassiosira pseudonana.

Detailed explanation-5: -Many protists are single-celled organisms. All bacteria are single-celled organisms. Bacteria are prokaryotes, while protists are eukaryotes.