A unicellular organism is any life form that is composed of a single cell; they live and carry out all life processes as a single cell. Based on their complexity, unicellular organisms can be placed in one of two categor... More » Science Biology

There are various examples of unicellular plants, and some of them include bacteria, some types of algae such as diatoms and amoeba. Unicellular organisms are simpler and smaller than the multicellular organisms, and the... More » Science Biology Botany

Humans, dogs, lions, fish and any other living being are all examples of organisms. By definition, an organism is any contiguous living system or being. Even plants are examples of organisms. More » Science Biology
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A heterotroph is any organism, including carnivores, omnivores and herbivores, that cannot produce its own food through solar energy and must feed off another life form. In the food chain, heterotrophs represent the cons... More » Science Biology

Unicellular organisms eat using a processes called phagocytosis. This process allows the single-celled organism to bring food into the inner part of the cell for digestion. More » Science Biology

All organisms in the kingdom Archaebacteria classify as unicellular. Archaebacteria form some of the most basic but highly structured life forms on Earth. They share many commonalities with closely-related Eubacteria, su... More » Science Biology

Unicellular organisms fall under the main groups of bacteria, archaea, protozoa, single-celled algae and single-celled fungi. . The two general categories are prokaryotes, which lack membrane-bound nuclei and membrane-bo... More » Science Biology