In the archaea, there is no nucleus, but many genes behave like those in higher organisms. Archaea are thought to have a common ancestor with bacteria, but billions of years ago the third domain, eukaryotes, broke off from archaea, eventually developing into plants, animals and us.esearchers say that the heat and geochemical conditions in volcanic regions may be similar to conditions that existed on the young, water-covered, cooling Earth. Almost like a creature from science fiction, the volcanic microbe is different from the two other basic branches of life: bacteria and eukaryotes.
-osis. Suffix meaning a process, condition, or state, usually abnormal or diseased; production or increase, physiologic or pathologic; an invasion or infestation; in the latter sense, it is similar to and often interchangeable with Greek-iasis, as seen in trichinosis, trichiniasis.
The Open Systems Interconnection (OSI) model is a protocol used to communicate between different networks. Protocols are nothing but a set of rules used to communicate between two networks. The Open Systems Interconnection (OSI) model is divided in seven layers. Reference from Google. OSI Model divided in two parts upper level and lower level. The OSI Model is also divided in two parts; upper level and lower level. The lower level contains a physical layer, data link layer and network layer.