The only group with an endoskeleton is A or D because you put the same answer choice twice
C. find the wind speed and direction
The domain is Archaea. They are single cell and contain a cell wall with no peptidoglycan. They lack a membrane enclosed nucleus and have a DNA that exist in circular form. Some members of Achaea are able to produce methane. Their distinguishing characteristic unlike Bacteria is that they possess genes and several metabolic pathways related to Eukaryotes.
