Based on their cell type, organisms can be classified as either prokaryotic or eukaryotic organisms. Prokaryotic organisms are also known as single celled (or unicellular) organisms, since they are made up of single cells. In comparison, eukaryotic organisms are called multi-cellular organisms since they are made up of multiple cells. Examples of prokaryotic organisms include bacteria and archaea. Examples of eukaryotic organisms include plants, animals, etc. Prokaryotic organisms are made of simpler cells in comparison to eukaryotic organisms. A eukaryotic cell has a number of organelles that are missing from prokaryotic cells, such as the nucleus, mitochondria, golgi apparatus, endoplasmic recticulum, lysosome, nuclear membrane, etc. The more complex nature of eukaryotic cells allows them to form complex organisms such as human beings. In comparison, prokaryotic organisms tend to be much simpler in design and function.
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