BACTERIAL RANKING. “Their lower ranking in metabolism and proteins/catalysis (dimensions A and B) may be attributable to a narrower range of metabolic activities compared to bacteria. Similar comments could apply to their cellular/structural features (dimension C). Their abilities of interaction are also lower than those of “bacteria”, which makes sense especially when it comes to interactions with higher organisms (dimensions E and F); however, it is more delicate to interpret in the case of environmental interactions (dimension D).”
https://link.springer.com/article/10.1007/s11229-019-02356-w