Erythropoiesis. The process through which new red blood cells are created; it begins in the bone marrow. Mentioned in: Porphyrias. the formation of red blood cells (erythrocytes) from stem cells in the bone marrow.
2 Unicelluar organisms are one-celled organisms or microorganisms. Although they are living things that are only one cell, they still need to carry out all 6 characteristics of life. For example, they must feed, digest, excrete wastes and reproduce. They are very small and surround you every day by the millions.
A unicellular organism (also called single cell organism) is an organism made up of only one cell. Algae, some types of fungus, and bacteria are some examples. These organisms are not very complex, and all their body functions are carried out in that single tiny cell.8 people found this useful. unicellular organism has only one cell, which means that it has to carry out all functions of life in a single cell. Thus, it will have all the needed parts rather than specialized parts. 15 people found this useful.