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.
Unicellular organisms are of two types Unicellular prokaryotic organisms and unicellular eukaryotic organisms. Unicellular prokaryotic organisms-they are unicellular in nature and they do not have membrane bound nucleus and membrane bound cellular organelles.These organisms are usually bacteria and cyanobacteria. Example: E.coli, Salmonella, Nostoc, etc.nicellular organisms are of two types Unicellular prokaryotic organisms and unicellular eukaryotic organisms. Unicellular prokaryotic organisms-they are unicellular in nature and they do not have membrane bound nucleus and membrane bound cellular organelles.