All protists are eukaryotic (have a nucleus), most live in water. They are the "ancestor organisms" because they were the first organisms ever to exist.
Protists are simply organisms that don't fit into any of the other kingdoms.
The great diversity of form, habitat, mode of nutrition, and life history exhibited by eukaryotes suggests they evolved several times from various groups of prokaryotes. This makes the Protista a polyphyletic group. Eukaryotes are generally larger, have a variety of membrane-bound organelles, greater internal complexity than prokaryotic cells, and has a secialized method of cell division (meiosis) that is a prelude to true sexual reproduction. Protists might be viewed as a group from which the other eukaryotic kingdoms evolved.
they eat by photosynthesis or by other organisms......
Heterotrophs
Animal-like protists are also called protozoans. They are unicellular organisms that exhibit animal-like behaviors, such as feeding on other organisms for nutrients and moving using structures like cilia or flagella.
Protozoa are a type of single-celled organisms that belong to the kingdom Protista. Protists, on the other hand, are a diverse group of eukaryotic microorganisms that include protozoa, algae, and other microscopic organisms. Essentially, all protozoa are protists, but not all protists are protozoa.
Protists are primarily unicellular organisms, although some can form colonies or multicellular structures. They are eukaryotic, meaning their cells contain a nucleus and various organelles. Additionally, protists exhibit diverse nutritional modes, including autotrophy (photosynthesis) and heterotrophy (ingesting other organisms).
They are less complex
They are less complex
Many protists do not leave fossils:)
True. Animallike protists are heterotrophic organisms that obtain nutrients by absorbing them from other organisms or organic materials in their environment.
A mutualistic (where both organisms benefit) relationship can be found between the Stentor and Algae, where the Stentor can get food from the Algae and the Algae can be protected from other organisms.
The only organisms that like to eat protists that I have heard of are other species of protists and people fond of Japanese cooking.
The one unifying characteristic of protists is that they are eukaryotic organisms, meaning their cells contain a nucleus and other membrane-bound organelles. This sets them apart from prokaryotic organisms like bacteria.
Amoeba eats other organisms and smaller protists
they eat by photosynthesis or by other organisms......
hashmire did it
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Heterotrophs