Biology/Kingdoms/Archaea
Archea
Archea are creatures made up of single cells. They have been on Earth for a long long time. Their name means old.
Archea have no nuclei. They were once called bacteria, but they were taken out of the kingdom bacteria because they are so different.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/7/71/Colourful_Thermophilic_Archaebacteria_Stain_in_Midway_Geyser_Basin.jpg/400px-Colourful_Thermophilic_Archaebacteria_Stain_in_Midway_Geyser_Basin.jpg)