Protists
The taxonomic kingdom Protista is a collection of single-celled organisms that do not fit into any other category. Protists are a group made up of protozoa, unicellular algae, and slime molds. We will concentrate on the animal portion of this group: the protozoa (proto = first, zoa = animals). Protozoa are the oldest known group of heterotrophic life that consume and transform complex food particles into energ In all biological taxonomy schemes, protists (/ˈproʊtɨst/) were a large group of diverse eukaryotic microorganisms, mainly unicellular animals and plants, that do not form tissues. Formerly, these were assigned to the now-obsolete kingdom Protista. Protists live in almost any environment that contains liquid water. Many protists, such as algae, are photosynthetic and are vital primary producers in ecosystems, particularly in the ocean as part of the plankton. Kingdom Protista are very small, and the smallest of the  Eukaryotes. They are either multicellular, unicellular, or  colonial, and are not plants, animals, or fungi. 2 people found this useful. Edit. Some can be autotrophic and some can be hetrotrophic. Protista can be autotrophic or heterotrophic. An autotroph is an organism that makes it … s own food. A heterotroph is an organism that relies on other resources for food, just in case you didn't know. Protists are organisms that are classified into the kingdom Protista. The protists form a group of organisms that really do not fit into any other kingdom. Although there is a lot of variety within the protists, they do share some common characteristics. Two smaller cells result. Algae. All Those members of the protista kingdom which act like plants. Algaes are also found in the Moneran and Plant kingdoms. Possess more Plant-like characteristics. Other algaes are grouped with the monerans and others with plants. Kingdom Protista. All single celled organisms are placed under the Kingdom Protista. The term Protista was first used by Ernst Haeckel in the year 1886. This kingdom forms a link between other kingdoms of plants, animals and fungi. Protists represent an important step in early evolution. The first protists evolved probably 1.7 billion years ago. General characteristics of Kingdom Protista are as follows: 1  They are simple eukaryotic organisms. 2  Most of the organisms are unicellular, some are colonial and some are multicellular like algae. 3  Most of the protists live in water, some in moist soil or even the body of human and plants. Kingdom Protista is a diverse group of eukaryotic organisms. Protists are unicellular, some are colonial or multicellular, they do not have specialized tissue organization. The simple cellular organization distinguishes the protists from other eukaryotes. General characteristics of Kingdom Protista are as follows: 1  They are simple eukaryotic organisms. 2  Most of the organisms are unicellular, some are colonial and some are multicellular like algae. 3  Most of the protists live in water, some in moist soil or even the body of human and plants. Protists were traditionally subdivided into several groups based on similarities to the higher kingdoms: the unicellular animal-like protozoa, the plant-like protophyta (mostly unicellular algae), and the fungus-like slime molds and water molds. Protists live in almost any environment that contains liquid water. Many protists, such as algae, are photosynthetic and are vital primary producers in ecosystems, particularly in the ocean as part of the plankton. Protista, group of comparatively simple organisms, called protists, that have characteristics of both. and. . Most protists are unicellular (consisting of a single. ) and can only be seen with a microscope, although there are some that are composed of more than one cell. Unlike plants and animals, however, protists do not have cells organized into specialized tissues. The protists include such familiar organisms as. , , and. . The kingdom Protista contains many economically important members, including organisms that cause. , such as. . The kingdom Protista is unique among the six classification kingdoms. If one were to look for a common bond linking all the organisms of this kingdom together it would be difficult to do so. Most of the organisms are unicellular, though many group together forming colonies. 
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what are members of the kingdom protista called